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Induced abortion and the risk of breast cancer.
Melbye M, Wohlfahrt J, Olsen JH, Frisch M, Westergaard T, Helweg-Larsen K, Andersen PK. Melbye M, et al. Among authors: andersen pk. N Engl J Med. 1997 Jan 9;336(2):81-5. doi: 10.1056/NEJM199701093360201. N Engl J Med. 1997. PMID: 8988884 Free article.
Follow-up time bias and Crohn's disease.
Frisch M, Olsen J, Andersen PK. Frisch M, et al. Among authors: andersen pk. Lancet. 1996 Jun 1;347(9014):1551; author reply 1551-2. Lancet. 1996. PMID: 8684118 No abstract available.
443 results