Kumar, Santosh Twin principles for need-based attendance policy in undergraduate medical education. [electronic resource] - Korean journal of medical education 12 2018 - 369-372 p. digital Publication Type: Journal Article ISSN: 2005-7288 Standard No.: 10.3946/kjme.2018.112 doi Subjects--Topical Terms: AbsenteeismCurriculumEducation, Medical, UndergraduateHumansPolicy