A national population-based case-control study was conducted in New Zealand to assess the effects of hormonal contraception on breast-cancer risk. A total of 891 Women aged 25 to 54 with a first diagnosis of breast cancer, and 1864 control subjects, randomly selected from the electoral rolls, were i
Oral contraceptives and breast cancer review and meta-analysis
โ Scribed by Isabelle Romieu; Jesse A. Berlin; Graham Colditz
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 962 KB
- Volume
- 66
- Category
- Article
- ISSN
- 0008-543X
No coin nor oath required. For personal study only.
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One hundred and seventy four (81% of all) pathologically confirmed new incident cases of female breast cancer identified from a medical center in Taipei from February, 1993 to June, 1994 were selected as the case group. Four hundred and fifty three inpatient controls who were without obstetricgyneco
## 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: