M Yang, S Chen, BO Huang, JM Zhong, H Su… - European urology …, 2020 - Elsevier
… The mean age of patients in the control group was 66.8 yr (range 49–75 yr), which was not
… COVID-19 patients (p = 0.807, Student t test). The mean number of Leydig cells in COVID-19 …