Prevalence and impact of primary dysmenorrhea among Mexican high school students

Autor: Ortiz, Mario I., Rangel-Flores, Eduardo, Carrillo-Alarcón, Lourdes C., Veras-Godoy, Humberto A.
Zdroj: In International Journal of Gynecology and Obstetrics 2009 107(3):240-243
Databáze: ScienceDirect