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	1.	Skewed X chromosome inactivation in a female with haemophilia B and in her non-carrier daughter: a genetic influence on X chromosome inactivation? [electronic resource] by Orstavik, K H Orstavik, R E Schwartz, M Producer: 20000113 In: Journal of medical genetics vol. 36 Availability: No items available. Save to lists Add to cart (remove)
	2.	X chromosome inactivation pattern in female carriers of X linked hypophosphataemic rickets. [electronic resource] by Orstavik, K H Orstavik, R E Halse, J Knudtzon, J Producer: 19961227 In: Journal of medical genetics vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Inheritance of skewed X chromosome inactivation in a large family with an X-linked recessive deafness syndrome. [electronic resource] by Orstavik, K H Orstavik, R E Eiklid, K Tranebjaerg, L Producer: 19961120 In: American journal of medical genetics vol. 64 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Non-random X chromosome inactivation in an affected twin in a monozygotic twin pair discordant for Wiedemann-Beckwith syndrome. [electronic resource] by Orstavik, R E Tommerup, N Eiklid, K Orstavik, K H Producer: 19950828 In: American journal of medical genetics vol. 56 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Clinical decision rules in rheumatoid arthritis: do they identify patients at high risk for osteoporosis? Testing clinical criteria in a population based cohort of patients with rheumatoid arthritis recruited from the Oslo Rheumatoid Arthritis Register. [electronic resource] by Haugeberg, G Ørstavik, R E Uhlig, T Falch, J A Halse, J I Kvien, T K Producer: 20030106 In: Annals of the rheumatic diseases vol. 61 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Comparison of ultrasound and X-ray absorptiometry bone measurements in a case control study of female rheumatoid arthritis patients and randomly selected subjects in the population. [electronic resource] by Haugeberg, G Ørstavik, R E Uhlig, T Falch, J A Halse, J I Kvien, T K Producer: 20060221 In: Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA vol. 14 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Major depression and dimensional representations of DSM-IV personality disorders: a population-based twin study. [electronic resource] by Reichborn-Kjennerud, T Czajkowski, N Røysamb, E Ørstavik, R E Neale, M C Torgersen, S Kendler, K S Producer: 20101210 In: Psychological medicine vol. 40 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Quantitative ultrasound and bone mineral density: discriminatory ability in patients with rheumatoid arthritis and controls with and without vertebral deformities. [electronic resource] by Ørstavik, R E Haugeberg, G Uhlig, T Mowinckel, P Kvien, T K Falch, J A Halse, J I Producer: 20040810 In: Annals of the rheumatic diseases vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Self reported non-vertebral fractures in rheumatoid arthritis and population based controls: incidence and relationship with bone mineral density and clinical variables. [electronic resource] by Ørstavik, R E Haugeberg, G Uhlig, T Mowinckel, P Falch, J A Halse, J I Kvien, T K Producer: 20040224 In: Annals of the rheumatic diseases vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	X chromosome inactivation in carriers of Barth syndrome. [electronic resource] by Orstavik, K H Orstavik, R E Naumova, A K D'Adamo, P Gedeon, A Bolhuis, P A Barth, P G Toniolo, D Producer: 19981223 In: American journal of human genetics vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Hand cortical bone mass and its associations with radiographic joint damage and fractures in 50-70 year old female patients with rheumatoid arthritis: cross sectional Oslo-Truro-Amsterdam (OSTRA) collaborative study. [electronic resource] by Haugeberg, G Lodder, M C Lems, W F Uhlig, T Ørstavik, R E Dijkmans, B A C Kvien, T K Woolf, A D Producer: 20041025 In: Annals of the rheumatic diseases vol. 63 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Genetic factors contribute more to hip than knee surgery due to osteoarthritis - a population-based twin registry study of joint arthroplasty. [electronic resource] by Magnusson, K Scurrah, K Ystrom, E Ørstavik, R E Nilsen, T Steingrímsdóttir, Ó A Ferreira, P Fenstad, A M Furnes, O Hagen, K B Producer: 20180321 In: Osteoarthritis and cartilage vol. 25 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	13.	The heritability of avoidant and dependent personality disorder assessed by personal interview and questionnaire. [electronic resource] by Gjerde, L C Czajkowski, N Røysamb, E Orstavik, R E Knudsen, G P Ostby, K Torgersen, S Myers, J Kendler, K S Reichborn-Kjennerud, T Producer: 20130503 In: Acta psychiatrica Scandinavica vol. 126 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	14.	A longitudinal, population-based twin study of avoidant and obsessive-compulsive personality disorder traits from early to middle adulthood. [electronic resource] by Gjerde, L C Czajkowski, N Røysamb, E Ystrom, E Tambs, K Aggen, S H Ørstavik, R E Kendler, K S Reichborn-Kjennerud, T Knudsen, G P Producer: 20160809 In: Psychological medicine vol. 45 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	15.	A longitudinal twin study of cluster A personality disorders. [electronic resource] by Kendler, K S Aggen, S H Neale, M C Knudsen, G P Krueger, R F Tambs, K Czajkowski, N Ystrom, E Ørstavik, R E Reichborn-Kjennerud, T Producer: 20151222 In: Psychological medicine vol. 45 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)