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	1.	Letter: Trisomy-20 syndrome in man. [electronic resource] by Gregson, N M Producer: 19760430 In: Lancet (London, England) vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	A technique for culturing cells from amniotic fluid. [electronic resource] by Gregson, N M Producer: 19700217 In: Lancet (London, England) vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Diploid-triploid chimerism in 3 tortoiseshell cats. [electronic resource] by Gregson, N M Ishmael, J Producer: 19710706 In: Research in veterinary science vol. 12 Availability: No items available. Save to lists Add to cart (remove)
	4.	Culture of bloody amniotic fluid for chromosome analysis: an improved method. [electronic resource] by Gregson, N M Johnson, M Producer: 19810613 In: Journal of medical genetics vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	A familial polymorphic variant of chromosome 5. [electronic resource] by Seabright, M Gregson, N M Johnson, M Producer: 19810521 In: Journal of medical genetics vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Polyploidy in cells cultured from amniotic fluid. [electronic resource] by Walker, S Lee, C L Gregson, N M Producer: 19710106 In: Lancet (London, England) vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Syringe toxicity in amniotic fluid cultures. [electronic resource] by Howell, R T McDermott, A Gregson, N M Producer: 19830623 In: Lancet (London, England) vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Eliminating red blood-cells from amniotic-fluid samples. [electronic resource] by Lee, C L Gregson, N M Walker, S Producer: 19700923 In: Lancet (London, England) vol. 2 Availability: No items available. Save to lists Add to cart (remove)
	9.	Effect of copper-containing intrauterine contraceptive devices on human cells in culture. [electronic resource] by Jones, R W Gregson, N M Elstein, M Producer: 19730831 In: British medical journal vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	Nuclear sex and antenatal diagnosis of Klinefelter's syndrome. [electronic resource] by Walker, S Gregson, N M Hibbard, B M Producer: 19711021 In: Lancet (London, England) vol. 2 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	11.	Three further cases of triploidy in man surviving to birth. [electronic resource] by Walker, S Andrews, J Gregson, N M Gault, W Producer: 19730831 In: Journal of medical genetics vol. 10 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	12.	Rapid in situ harvesting and cytogenetic analysis of perinatal tissue samples. [electronic resource] by Fisher, A M Cockwell, A E Moore, K J Gregson, N M Campbell, P L Campbell, C M Herbert, A Barber, J C Crolla, J A Producer: 19961231 In: Prenatal diagnosis vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)