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Article
R.B. NESS ; J.A. GRISSO ; J. KLAPPER ; M. MORGAN ; J.J. SCHLESSELMAN ; S. SILBERZWEIG ; R. VERGONA ; J.E. WHEELER ; Center for Clinical Epidemiology and Biostatistics. University of Pennsylvania. Philadelphia. PA. USA ; Graduate School of Public Health. University of Pittsburgh. Pittsburgh. PA. USA ; Share Study Group. INC |[BDSP. Notice produite par INIST Q0FR0xD4. Diffusion soumise à autorisation]. Although past studies have shown that oral contraceptives with 50 mug or more of estrogen reduce the risk of ovarian cancer, it is not clear whether newer, lower-dose [...]
Article
[BDSP. Notice produite par INIST 1si2R0x9. Diffusion soumise à autorisation]. In case-control studies using cases identified from persons admitted to hospitals, two types of controls are most often used : persons from the communities served by t[...]
Article
J.A. GRISSO ; J.L. KELSEY ; K. LAPANN ; G. MAISLIN ; C.G. MILES ; D. MORITZ ; L.A. O'BRIEN ; B. Peters ; S. SIDNEY ; Frontenac and Lennox & Addington Health Unit and Department of Community Health and Epidemiology. Queen's University. Kingston. ON. USA ; Municipal Institute of Public Health Imsp Barcelona. ESP |[BDSP. Notice produite par INIST iJlR0xfU. Diffusion soumise à autorisation]. To identify risk factors for hip fracture in men, the authors conducted a case-control study involving 20 hospitals in Philadelphia, Pennsylvania, and 14 hospitals in [...]
