title: The Classic: concerning arthritis deformans juvenilis. Professor Georg C. Perthes.
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000266:history*; D002648:Child; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009985:Orthopedics / Q000266:history