title: [Results of a longitudinal study of students in agriculture].
mesh_terms: D000293:Adolescent; D000383:Agriculture; D000886:Anthropometry; D001824:Body Constitution; D001827:Body Height; D001835:Body Weight; D002320:Cardiovascular Physiological Phenomena; D006801:Humans; D008297:Male; D005082:Physical Exertion; D010809:Physical Fitness; D011674:Pulse; D013334:Students; D013909:Thorax / Q000033:anatomy & histology; D014937:Work
vernacular_title: Ergebnisse einer Längsschnittuntersuchung von Lehrlingen in der Landwirtschaft.