TY - GEN AU - Verma,R S AU - Evans-McCalla,M AU - Dosik,H TI - Human chromosomal heteromorphisms in American blacks. VI. Higher incidence of longer Y owing to non-fluorescent (nf) segment SN - 0022-2593 PY - 1982///1202 KW - Black People KW - Humans KW - Male KW - Microscopy, Fluorescence KW - Sex Chromosome Aberrations KW - epidemiology KW - Sex Chromosomes KW - United States KW - Y Chromosome KW - Black or African American N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1136/jmg.19.4.297 ER -