title: A BstNI polymorphism at the BTK locus in Xq21.3-Xq22.
authors.affiliation: Department of Immunology/Microbiology, Rush Medical School, Chicago, IL 60612.
authors.forename: T
authors.initials: T
authors.lastname: Hagemann
authors.forename: S P
authors.initials: SP
authors.lastname: Kwan
mesh_terms: D002874:Chromosome Mapping; D015252:Deoxyribonucleases, Type II Site-Specific; D005819:Genetic Markers; D006801:Humans; D012150:Polymorphism, Restriction Fragment Length; D015183:Restriction Mapping; D014960:X Chromosome
chemical_list: D005819:Genetic Markers; C046545:CCWGG-specific type II deoxyribonucleases; D015252:Deoxyribonucleases, Type II Site-Specific