title: [NOSOLOGICAL PROBLEMS IN THE COMPARABILITY OF MORBIDITY STATISTICS].
mesh_terms: D001699:Biometry; D003604:Czechoslovakia; D006801:Humans; D009017:Morbidity
keywords: CZECHOSLOVAKIA; MORBIDITY
vernacular_title: NOSOLOGICK'E PROBL'EMY SROVNATELNOSTI STATISTIK NEMOCNOSTI.