title: [Changes in sanitary napkins in Japan expressed by price fluctuations--from the initial marketing of disposable paper products to the present].
mesh_terms: D003365:Costs and Cost Analysis; D004209:Disposable Equipment / Q000191:economics*; D005260:Female; D006801:Humans; D006920:Hygiene; D007564:Japan; D008598:Menstruation; D010209:Paper