TY - GEN AU - Denić,Ljiljana Marković TI - [Studies of prevalence in surveillance of hospital-acquired infections] SN - 0025-8105 PY - 2011///1114 KW - Cross Infection KW - epidemiology KW - Humans KW - Prevalence KW - Promethazine KW - Serbia N1 - Publication Type: Editorial ER -