[In retrospect].
Johannes
J
Köbberling
D035081:Editorial Policies; D005858:Germany; D049673:History, 20th Century; D049674:History, 21st Century; D007388:Internal Medicine / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*; D011643:Publishing / Q000266:history*; D012955:Societies, Medical / Q000266:history*