Obstetrics and Gynecology · 2010 · 118 citations · 37 references
II.
37
Longitudinal Data Analysis for Discrete and Continuous Outcomes
Scott L. Zeger, Kung‐Yee Liang · Biometrics · 1986 · 7.8K citations
Hospital Volume and Surgical Mortality in the United States
John D. Birkmeyer, Andrea E. Siewers, Emily Finlayson et al. · New England Journal of Medicine · 2002 · 4.9K citations