Não informado. (1981). Brazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Brazilian Journal of Medical and Biological Research. Ribeirão Preto: Associação Brasileira de Divulgação Científica, 1981.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Brazilian Journal of Medical and Biological Research. Associação Brasileira de Divulgação Científica, 1981.
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