25, 50 & 75 years ago.
Editor-in-Chief.
John P
JP
Harris
D001315:Australia; D004443:Echinococcosis / Q000266:history*; D049673:History, 20th Century; D009985:Orthopedics / Q000266:history*; D010506:Periodicals as Topic / Q000266:history*; D013122:Spinal Diseases / Q000266:history* / Q000469:parasitology; D014139:Tracheostomy / Q000266:history*; D014947:Wounds and Injuries / Q000266:history*