Perils and pitfalls of small negative clinical trials.
Locke
G Richard
GR
Division of Gastroenterology and Division of Biostatistics, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.
Zinsmeister
Alan R
AR
D015982:Bias; D002986:Clinical Trials as Topic; D005762:Gastroenterology; D006801:Humans; D017063:Outcome Assessment, Health Care; D015203:Reproducibility of Results; D012107:Research Design