title: Letter: G bands produced by collagenase.
mesh_terms: D002874:Chromosome Mapping; D006801:Humans; D007621:Karyotyping / Q000379:methods*; D008297:Male; D003012:Microbial Collagenase; D008938:Mitosis; D013194:Staining and Labeling
chemical_list: D003012:Microbial Collagenase