title: Serum creatine phosphokinase in amyotrophic lateral sclerosis. Correlation with sex, duration, and skeletal muscle biopsy.
mesh_terms: D000328:Adult; D000690:Amyotrophic Lateral Sclerosis / Q000097:blood / Q000201:enzymology* / Q000473:pathology; D003402:Creatine Kinase / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000473:pathology*; D011446:Prospective Studies; D012737:Sex Factors; D013997:Time Factors
chemical_list: D003402:Creatine Kinase