Torloni, Maria Regina, Nelson Sass, Jussara Leiko Sato, Ana Carolina Pinheiro Renzi, Maísa Fukuyama, and Paula Rubia de Lucca. 2008. “Clinical Formulas, mother’s Opinion and Ultrasound in Predicting Birth Weight”. São Paulo Medical Journal 126 (3):145-49. https://periodicosapm.emnuvens.com.br/spmj/article/view/1963.