Nguyen, T. H.; Le , T. B.; Tran , H. T.; Le , Q. T.; Quach, V. T. P.; Nguyen, V. N.; Duong , V. H.; Nguyen, D. N.; Tran , Q. C.; Le , V. T. SERUM TESTOSTERONE CONCENTRATIONS AND RELATED FACTORS TO MALE HYPOGONADISM AT CAN THO UNIVERSITY OF MEDICINE AND PHARMACY HOSPITAL. ctump 2023, 244-250.