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A 45-year-old with low testosterone and normal FSH may respond to peptides that support Leydig cell function, while a 40-year-old with high FSH suggests testicular failure where different tactics are needed
Lee YC, Tang L-L, Yeh Y-C, Li H-W, Ke H-M, Yang C-J, Chiang C-I, Wang C-H, Tseng Y-C, Chang C-F, Tsai IJ, Wu G-C (2025) Detection of genetic sex using a qPCR-based method in the bigfin reef squid ( Sepioteuthis lessoniana )
doi: 10.5582/ddt.2015.01013 24 WuHZhaoBYaoQKangJ
