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