[Athletics and Ling-gymnastics in the light of popular medicine].
Janzon
B
B
D005495:Folklore; D049711:History, Modern 1601-; D006920:Hygiene / Q000266:history*; D008519:Medicine, Traditional / Q000266:history*; D013548:Sweden
Idrott och ling-gymnastik i populär-medicinsk belysning.