Association between the ACE insertion/deletion polymorphism and pterygium in Sardinian patients: a population based case–control study
Paolo Demurtas, Germano Orrù, Pierpaolo Coni, Luigi Minerba, Michela Corrias, Paola Sirigu, Ignazio Zucca, Elena Demurtas, Cristina Maxia, Franca Piras, Daniela Murtas, Simone Lai, Maria Teresa Perra
BMJ Open Oct 2014, 4 (10) e005627; DOI: 10.1136/bmjopen-2014-005627