Diagnostic delay in Duchenne's muscular dystrophy.
D000367:Age Factors; D004796:Clinical Enzyme Tests; D003402:Creatine Kinase / Q000097:blood; D005500:Follow-Up Studies; D005684:Gait; D005817:Genetic Counseling; D006801:Humans; D007223:Infant; D008297:Male; D009136:Muscular Dystrophies / Q000175:diagnosis* / Q000235:genetics; D012306:Risk; D012737:Sex Factors
D003402:Creatine Kinase