different detergent extracts of cauda epididymal spermatozoa were separated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis ( sds-page ) , blotted to nitrocellulose , and probed with sera from pre-vasectomy , post-vasectomy , and hyperimmunized animals to detect isologous sperm antigens .
C0037851
of
C0037868
sperm