(1981). Breast cancer and oral contraceptives: Findings in Royal College of General Practitioners' study.
استشهاد بنمط شيكاغوBreast Cancer and Oral Contraceptives: Findings in Royal College of General Practitioners' Study. 1981.
MLA استشهادBreast Cancer and Oral Contraceptives: Findings in Royal College of General Practitioners' Study. 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.