[Homeopathy observation study. "Criticism yes--libel no"!].
Witt
Claudia
C
Charité CCM, Luisenstrasse 57, D-10117 Berlin.
Lüdtke
Rainer
R
Mengler
Nils
N
Willich
Stefan
S
D015982:Bias; D015331:Cohort Studies; D005858:Germany; D006705:Homeopathy; D006801:Humans; D008389:Marketing of Health Services; D012044:Regression Analysis; D016896:Treatment Outcome