Methodological problems with estimation of salt intake.
D000328:Adult; D003404:Creatinine / Q000652:urine; D004039:Diet, Sodium-Restricted; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012964:Sodium / Q000652:urine; D012965:Sodium Chloride / Q000008:administration & dosage
D012965:Sodium Chloride; D012964:Sodium; D003404:Creatinine