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	1.	Carcinoma-in-situ of the testis and invasive growth of different types of germ cell tumours. A revised germ cell theory. [electronic resource] by Skakkebaek, Niels E Berthelsen, Jørgen G Publication details: International journal of andrology Mar 1981 In: International journal of andrology vol. 4 Suppl s4 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Distribution of carcinoma-in-situ in testes from infertile men. [electronic resource] by Berthelsen, Jørgen G Skakkebaek, Niels E Publication details: International journal of andrology Mar 1981 In: International journal of andrology vol. 4 Suppl s4 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Clinical aspects of testicular carcinoma-in-situ. [electronic resource] by Skakkebaek, Niels E Berthelsen, Jørgen G Visfeldt, Jakob Publication details: International journal of andrology Mar 1981 In: International journal of andrology vol. 4 Suppl s4 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Venous thromboembolism in pregnancy: prophylaxis and treatment with low molecular weight heparin. [electronic resource] by Andersen, Anita Sylvest Berthelsen, Jørgen G Bergholt, Thomas Producer: 20100115 In: Acta obstetricia et gynecologica Scandinavica vol. 89 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Foreword. [electronic resource] by Skakkebœk, Niels E Grigor, Kenneth M Berthelsen, Jorgen G Visfeldt, Jakob Publication details: International journal of andrology Mar 1981 In: International journal of andrology vol. 4 Suppl s4 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Poor semen quality may contribute to recent decline in fertility rates. [electronic resource] by Jensen, Tina Kold Carlsen, Elisabeth Jørgensen, Niels Berthelsen, Jørgen G Keiding, Niels Christensen, Kaare Petersen, Jørgen Holm Knudsen, Lisbeth B Skakkebaek, Niels E Producer: 20030107 In: Human reproduction (Oxford, England) vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)