Karin B. Michels

Observational Studies Analyzed Like Randomized Experiments

Miguel A. Hernán, Álvaro Alonso, Roger Logan et al. · Epidemiology · 2008 · 810 citations · Full text

Medicine, Cardiology, Endocrinology +11

The Continuing Unethical Use of Placebo Controls

Kenneth J. Rothman, Karin B. Michels · New England Journal of Medicine · 1994 · 669 citations

Medicine, Pharmacology, Ethics +8

Fruit, Vegetables, Dietary Fiber, and Risk of Colorectal Cancer

Paul Terry, Edward L. Giovannucci, Karin B. Michels et al. · JNCI Journal of the National Cancer Institute · 2001 · 581 citations · Full text

Public Health, Nutritional Sciences, Oncology +16

Reproducibility and Validity of Maternal Recall of Pregnancy-Related Events

Catherine A. Tomeo, Janet W. Rich‐Edwards, Karin B. Michels et al. · Epidemiology · 1999 · 460 citations

Public Health, Maternal Health, Obstetrics +11

Prospective Study of Fruit and Vegetable Consumption and Incidence of Colon and Rectal Cancers

Karin B. Michels · JNCI Journal of the National Cancer Institute · 2000 · 459 citations · Full text

Public Health, Nutritional Sciences, Oncology +16