TY - JOUR T1 - The effects of treatment with melatonin on the ultrastructure of mouse leydig cells: a quantitative study JO - Brazilian Journal of Biology A1 - REDINS, C. A. A1 - REDINS, G. M. A1 - NOVAES, J. C. SN - 1519-6984 UL - 10.1590/S1519-69842002000300017 VL - 62 Y1 - 2002 PB - Brazil ER -