[Objective accomplishments with a questionnaire--a way to improve field work in hygiene].
D005513:Food Inspection; D005859:Germany, East; D006801:Humans; D006920:Hygiene; D010865:Pilot Projects; D011795:Surveys and Questionnaires
Objektbegehungen mit dem Fragespiegel--ein Weg zur Verbesserung der operativen Hygienarbeit.