Degree with six years of intensive studies followed by usually three or four years of residency as a major specialty in a particular empiric field, consisting of internships, social services and sporadic research. Only by holding a Medical Title can the postgraduate student apply for the Doctor degree through a Doctorate in Medicine program approved by the National Commission for University Evaluation and Accreditation. The equivalent training in the US or Canada would be completion of a medical (post-graduate) degree. Eligibility for the MS or MD course is restricted to medical priligy ireland priligy graduates holding the MBBS degree.