title: Evaluation of the purity of boar sperm plasma membranes prepared by nitrogen cavitation.
mesh_terms: D000818:Animals; D002458:Cell Fractionation / Q000379:methods*; D002462:Cell Membrane / Q000648:ultrastructure; D002499:Centrifugation, Density Gradient; D003584:Cytological Techniques; D007158:Immunologic Techniques; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology*; D013552:Swine