Percutaneous needle biopsy of quadriceps muscle: potassium analysis in normal children.
D000367:Age Factors; D000818:Animals; D001706:Biopsy / Q000295:instrumentation; D002415:Cats; D002648:Child; D002675:Child, Preschool; D002712:Chlorides / Q000032:analysis; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007866:Leg; D008722:Methods; D009130:Muscle, Smooth / Q000032:analysis* / Q000378:metabolism; D011188:Potassium / Q000032:analysis* / Q000378:metabolism; D013997:Time Factors; D014867:Water
D002712:Chlorides; D014867:Water; D011188:Potassium