title: [Medico-social study of factors contributing to accidents with conventional executive aircrafts registered between 1971 and 1975, in the State of São Paulo, Brasil. I. Occurrence period and time and principal contributing factor].
mesh_terms: D000060:Accidents, Aviation / Q000517:prevention & control; D000401:Aircraft; D001938:Brazil; D006801:Humans; D008685:Meteorological Concepts; D012621:Seasons; D013223:Statistics as Topic; D013997:Time Factors
vernacular_title: Estudo médico-social dos fatores contribuintes para os acidentes das aeronaves executivas convencionais registrados entre 1971 e 1975, no Estado de São Paulo, Brasil. I--Epoca e hora da ocorrência e principal fator contribuinte.