LONGFORD, Nicholas Tibor, Oscar RAMIREZ, and Cindy GIFFE. “CAUSAL MODELS FOR MONITORING THE PROGRESS OF INFANTS WITH LOW BIRTHWEIGHT”. Brazilian Journal of Biometrics 35, no. 3 (September 29, 2017): 600–633. Accessed May 19, 2024. http://www.biometria.ufla.br/index.php/BBJ/article/view/79.