Symposium on the occasion of the retirement of Prof. Dr. R.Th.R. Wentges. Nijmegen, The Netherlands, October 13, 1989. Proceedings.
D000486:Allergy and Immunology / Q000266:history; D049673:History, 20th Century; D009426:Netherlands; D010036:Otolaryngology / Q000266:history; D010038:Otorhinolaryngologic Diseases