@article{ref1, title="Health education - basis of preventive medicine. IX. Health and leisure time", journal="Krankenpflege: Fachzeitschrift des Agnes Karll-Verbandes für Krankenpflegeberufe", year="1977", author="Schauwecker, W.", volume="31", number="4", pages="139-140", abstract="

[Abstract unavailable]

Language: de

", language="de", issn="0002-1008", doi="", url="http://dx.doi.org/" }