title: Observations in chronic hashish users: nuclear aberrations in blood and sperm and abnormal acrosomes in spermatozoa.
mesh_terms: D000177:Acrosome / Q000648:ultrastructure; D001773:Blood Cells / Q000648:ultrastructure; D002188:Cannabis; D002467:Cell Nucleus / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure*; D006570:Heterochromatin / Q000648:ultrastructure; D006801:Humans; D008297:Male; D013077:Sperm Head / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure*
chemical_list: D002843:Chromatin; D006570:Heterochromatin