Novkovic, L.; Lazic, Z.; Petrovic, M.; Cupurdija, V.; Vujanac, K.; Cekerevac, I. Hypogonadism in Chronic Obstructive Pulmonary Disease (COPD) – Risk Factors. Vojnosanit Pregl 2021, 76 (1). https://doi.org/10.2298/VSP170312081N.