azoospermia
basepair
bc043391
caucasian
ethnic
evolved
exception
exon
flanking
follicle
fsh
gonadal
hormones
infertile
infertility
intron
introns
mammals
ncbi
nonobstructive
recruited
reproductive
semen
specialised
speculated
spermatogenesis
spermatogenic
testicular
trf
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