REVIEW ARTICLE
Hippokratia 2014, 18, 1: 7-11
Kirkineska L, Perifanis V, Vasiliadis T
3rd Internal Medicine Department, Aristotle University of Thessaloniki, Papageorgiou Hospital, 1st Propedeutic Internal Medicine Department, Aristotle University of Thessaloniki, AHEPA Hospital Thessaloniki, Greece