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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1986 1
1987 2
1988 1
1989 5
1990 1
1991 2
1992 1
1996 2
1998 3
2004 1
2006 1
2007 1
2013 1
2022 0
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22 results
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Page 1
Acquired thrombophilia in pregnancy.
Ballem P. Ballem P. Semin Thromb Hemost. 1998;24 Suppl 1:41-7. Semin Thromb Hemost. 1998. PMID: 9840691 Review.
Hematological problems of pregnancy.
Ballem PJ. Ballem PJ. Can Fam Physician. 1988 Nov;34:2531-7. Can Fam Physician. 1988. PMID: 21253125 Free PMC article.
22 results