4-Nitrophenylphosphatase 4 Alkaline Phosphatase 4 Human 4 Male 4 Muscular Dystrophies 4 Support, Non-U.S. Gov't 4 duchenne muscular dystrophy human 4 4 nitrophenylphosphatase 2 Adolescent 2 Allosteric Regulation 2 Child 2 Child, Preschool 2 Comparative Study 2 Creatine Kinase 2 Erythrocyte Membrane 2 Erythrocytes 2 Female 2 Fluorides 2 Heterozygote 2 In Vitro 2 Kinetics 2 Lactate Dehydrogenase 2 Magnesium 2 Muscles 2 Phosphoric Monoester Hydrolases 2 Time Factors 2 Verapamil 2 alkaline phosphatase 2 allosterism 2