本帖最后由 ppsweek 于 2014-6-21 16:57 编辑 ) q9 Q( ~% I3 S/ l2 e V
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“Studies on spermatogenesis in rats. II. Evidence that carnitine acetyltransferase is a marker enzyme for the investigation of germ cell differentiation.”' r8 p) L- ]! a% ~% l W. ~