title: Letter: Serum-creatine-kinase levels in carriers of Becker muscular dystrophy.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003402:Creatine Kinase / Q000097:blood*; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008875:Middle Aged; D009136:Muscular Dystrophies / Q000175:diagnosis / Q000201:enzymology / Q000235:genetics*; D012737:Sex Factors
chemical_list: D003402:Creatine Kinase