[25 years of progress in natural medicine: even a gentle discipline requires hard data].
Beer
André-Michael
AM
Universität Bochum. andre.beer@klinik-blankenstein.de
D005858:Germany; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D009324:Naturopathy / Q000266:history*