Combined oral contraceptives and liver c
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Ramiro Molina; Luis Martinez; Oriana Salas; Aifredo Dabancens; Tao Yun; Chen Zhi
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Article
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1989
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John Wiley and Sons
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French
โ 644 KB
## THE WHO COLLABORATIVE STUDY OF NEOPLASIA AND STEROID CONTRACEPTIVES The data collection centers and the principal investigator (PI), co-investigator (CI), and pathologist (P) at each center, in alphabetical order by country, are as follows: