title: [2d morbidity study at Balassagyarmat in 1978].
mesh_terms: D006306:Health Surveys; D006801:Humans; D006814:Hungary; D008403:Mass Screening; D009017:Morbidity; D014505:Urban Population
vernacular_title: Die zweite Morbiditätsuntersuchung in Balassagyarmat in Jahre 1978.