Evaluación de dos diferentes técnicas de instrumentación rotatoria: Twisted Files y Bio Race.

Tesis (Maestría en Ciencias Odontológicas con orientación en Endodoncia) UANL, 2014.

México and the United States; a study of subjects affecting their polítical, commercial and social relations, made with a view to their promotion

UANL

México, and the United States; their mutual relations and common interests 7

UANL

Annales de Domingo Francisco de San Anton Chimalpahin Cuauhtlehuanitzin, sixieme et septieme relations (1258-1612)

UANL