[Fundamental errors in observed researches].
Sørensen
H T
HT
Medicinsk afd V, Arhus Universitetshospital.
Møller-Petersen
J
J
Sabroe
S
S
Vilstrup
H
H
D015982:Bias; D015986:Confounding Factors, Epidemiologic; D015203:Reproducibility of Results; D012106:Research / Q000592:standards*; D012107:Research Design / Q000592:standards*; D015983:Selection Bias
Principielle fejl i observerende undersøgelser.