[Focal points of research].
Zenner
H-P
HP
D002986:Clinical Trials as Topic / Q000639:trends*; D005858:Germany; D010036:Otolaryngology / Q000379:methods* / Q000639:trends*; D010506:Periodicals as Topic / Q000639:trends*; D011643:Publishing / Q000639:trends*; D012106:Research / Q000639:trends*; D012107:Research Design