TY - GEN AU - Méndez Estrada,Rosa Olivia AU - Valencia,Mauro E AU - Meléndez Torres,Juana María TI - [The menarche age in teenagers of the Northwest of Mexico] SN - 0004-0622 PY - 2007///0813 KW - Adolescent KW - Age Distribution KW - Analysis of Variance KW - Body Height KW - physiology KW - Body Weight KW - Child KW - Female KW - Humans KW - Logistic Models KW - Menarche KW - Mexico KW - Quality of Life KW - Socioeconomic Factors N1 - Publication Type: English Abstract; Journal Article ER -