Alterations in the expression of selected MHC antigens in premalignant lesions and squamous carcinomas of the uterine cervix. Journal title: Acta Obstetricia et Gynecologica Scandinavica Authors: Arkadiusz Chil, Marek Sikorski, MaĆgorzata Bobek, Grzegorz Jakiel, Janusz Marcinkiewicz Subject(s):