Complementary and alternative medicine whole systems research: Beyond identification of inadequacies of the RCT

Randomized, Controlled Trials, Observational Studies, and the Hierarchy of Research Designs

John Concato, Nirav R. Shah, Ralph I. Horwitz · New England Journal of Medicine · 2000 · 3.5K citations · Full text

Public Health, Clinical Sciences, Clinical Epidemiology +11

A Comparison of Observational Studies and Randomized, Controlled Trials

Kjell Benson, Arthur J. Hartz · New England Journal of Medicine · 2000 · 2.4K citations

Public Health, Biostatistics, Epidemiologic Methods +11

United Kingdom back pain exercise and manipulation (UK BEAM) randomised trial: effectiveness of physical treatments for back pain in primary care

BMJ · 2004 · 517 citations · Full text

Medicine, Rehabilitation Medicine, Pain Management +14

Acupuncture for chronic headache in primary care: large, pragmatic, randomised trial

Andrew J. Vickers, Rebecca Rees, Catherine Zollman et al. · BMJ · 2004 · 319 citations · Full text

Nursing, Health Policy, Health Assessment +7

Complementary and Alternative Medicine in the United States

Qunhao Zhang · Asia-Pacific Biotech News · 2004 · 296 citations

Public Affairs, Community Medicine, Clinical Medicine +8