• publisher: Leipzig : Verlag von Wilhelm Engelmann
  • creator: International Society of School Hygiene
  • contributor: International Society of School Hygiene.
  • Keyword: School hygiene Periodicals. School hygiene Bibliography Periodicals. Hygiene Periodicals. Students Periodicals. School Health Services Periodicals. Pediatrics Periodicals. Child. Adolescent.
  • language: ger dan eng fre ita spa
  • class: LB3401
  • isbn: 1013-8676
  • download: pdf file