Severe osteoporosis: Principles for pharmacological therapy in Mexico Patricia Clark; Fernando Carlos Rivera; Lucía Méndez Sánchez; Carlos Fernando Mendoza Gutiérrez; Jessica Liliana Vargas Neri; Sandra Miriam Carrillo Vázquez; Daniel Xavier Xibillé Friedmann; Ariana Alvarado Ceballos; José Manuel Aguilera Zepeda; Víctor Mercado Cárdenas; Hilario Ávila Amengol;

Osteogenesis imperfecta. Report of 15 cases María Díaz López; Juan José Alegre Sancho; Àngels Martínez-Ferrer;