Sotelo, Wendy, and Armando Calvo. “Niveles De Vitamina D En Mujeres posmenopáusicas Con Osteoporosis Primaria”. Revista Médica Herediana 22, no. 1 (September 19, 2011). Accessed February 3, 2025. http://44.198.254.164/index.php/RMH/article/view/1094.