the correlation between the percentage of f-body-positive spermatozoa ( f-sperm ) and that of y-chromosome-bearing spermatozoa ( y-sperm ) determined by human sperm chromosome analysis was examined after spermatozoa were separated by an albumin column method [ ericsson et al , nature 246:421-424:1973 ] .
C1511236
the
C0037868
spermatozoa