title: Meiotic studies on a subfertile patient with a ring Y chromosome.
mesh_terms: D000328:Adult; D001706:Biopsy; D001773:Blood Cells / Q000166:cytology; D006801:Humans; D007248:Infertility, Male / Q000235:genetics* / Q000473:pathology; D007621:Karyotyping; D008297:Male; D008540:Meiosis; D008853:Microscopy; D008856:Microscopy, Fluorescence; D009061:Mouth Mucosa / Q000166:cytology; D011796:Quinacrine; D012728:Sex Chromatin; D012729:Sex Chromosome Aberrations; D013094:Spermatozoa / Q000166:cytology; D013733:Testicular Diseases / Q000235:genetics / Q000473:pathology
chemical_list: D011796:Quinacrine