title: The pluses of subtraction.
authors.affiliation: Department of Physiology, University of California, San Francisco 94143-0444.
authors.forename: R M
authors.initials: RM
authors.lastname: Myers
mesh_terms: D000818:Animals; D003001:Cloning, Molecular; D004247:DNA / Q000737:chemistry*; D015342:DNA Probes; D005260:Female; D017353:Gene Deletion; D006801:Humans; D008297:Male; D009693:Nucleic Acid Hybridization / Q000379:methods*; D016133:Polymerase Chain Reaction; D012150:Polymorphism, Restriction Fragment Length
chemical_list: D015342:DNA Probes; D004247:DNA