LONGFORD NT, RAMIREZ O, GIFFE C. CAUSAL MODELS FOR MONITORING THE PROGRESS OF INFANTS WITH LOW BIRTHWEIGHT. Braz. J. Biom. [Internet]. 2017 Sep. 29 [cited 2024 Oct. 5];35(3):600-33. Available from: http://ftpnucleo.ufla.br/index.php/BBJ/article/view/79