Martínez González, Rubén Alexander. 2018. “Evaluation of Periodontal Disease As a Risk Factor for Preterm Birth and Low Birth Weight in Pregnant Women Attending the Gineco-Obstetrics Service of the Amistad Mexico-Nicaragua Hospital in the Municipality of Ticuantepe”. Torreon Universitario Magazine 5 (14):28-36. https://doi.org/10.5377/torreon.v0i14.5543.