Hannaford, P. C., & Kay, C. R. (1998). The risk of serious illness among oral contraceptive users: Evidence from the RCGP's oral contraceptive study.
シカゴスタイル引用形Hannaford, P C., , C R. Kay. The Risk of Serious Illness Among Oral Contraceptive Users: Evidence From the RCGP's Oral Contraceptive Study. 1998.
MLA引用形式Hannaford, P C., , C R. Kay. The Risk of Serious Illness Among Oral Contraceptive Users: Evidence From the RCGP's Oral Contraceptive Study. 1998.
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