Neonatal screening for Duchenne-type muscular dystrophy is greatly simplified by use of a new bioluminescence procedure for creatine kinase. The blood of newborn myopathic children consistently showed increased activity. The improved method permits the analysis from a dried sample of whole blood spotted on filter paper; it shows high correlation with existing procedures and is highly specific and precise. The use of the improved method in a screening program involving 158 000 newborns is reviewed. We find a prevalence of 1/5929 living eighth-day boys.
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Dellamonica et al. (1983) studied this question.
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