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Proximity to the US-Mexico border: A key to explaining geographic variation in US methamphetamine, cocaine and heroin purity
(2013)
A growing number of school-aged children experience or are at risk for a myriad of psychological and behavioral problems such as anxiety and depression that interfere with their interpersonal relationships, school performance, ...
Factores asociados a la prevalencia de infección por VPH de alto riesgo en mujeres de la comuna norte de Bucaramanga.
(Bucaramanga : Universidad de Santander, 2018Facultad Ciencias de la SaludMaestría en Investigación en enfermedades Infecciosas, 2018-04-09)
The development of cervical cancer (CCU) has a necessary cause that is persistent infection with the human papillomavirus (HPV) at high risk. 80% of sexually active women become infected with HPV at least once in their ...