When should we remain blind and when should our eyes remain open in diagnostic studies?
Moons
Karel G M
KG
Julius Center for General Practice and Patient Oriented Research, University Medical Center, P.O. Box 80035, 3508 TA, Utrecht, The Netherlands. k.g.m.moons@jc.azu.nl
Grobbee
Diederick E
DE
D015982:Bias; D015340:Epidemiologic Research Design; D006801:Humans; D015203:Reproducibility of Results