Meira AR. Medico-social study of factors related to aircraft accidents with light planes occurred during the period of 1971 to 1975, S. Paulo, Brazil: I - The month and hour of the occurrence and the principal contributing factor . Rev. saúde pública [Internet]. 1978 Jun. 1 [cited 2024 May 3];12(2):129-37. Available from: https://revistas.usp.br/rsp/article/view/22890