title: Local immunity to sperm as shown in the cervical mucus: use of bromelin as a dissolving agent and the retention of antibody activity.
mesh_terms: D000906:Antibodies / Q000032:analysis*; D001963:Bromelains; D002582:Cervix Mucus / Q000276:immunology*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D013094:Spermatozoa / Q000276:immunology*
chemical_list: D000906:Antibodies; D001963:Bromelains