title: The problem of mathematical coupling: how can statistical artifact and biological causation be separated when relating protein intake to clearance in 'predialysis' and dialysis patients?
authors.forename: P G
authors.initials: PG
authors.lastname: Blake
mesh_terms: D003404:Creatinine / Q000378:metabolism; D004044:Dietary Proteins / Q000008:administration & dosage*; D006801:Humans; D007676:Kidney Failure, Chronic / Q000178:diet therapy / Q000378:metabolism / Q000628:therapy*; D009584:Nitrogen / Q000378:metabolism; D010531:Peritoneal Dialysis, Continuous Ambulatory; D011506:Proteins / Q000378:metabolism; D006435:Renal Dialysis; D013997:Time Factors; D014508:Urea / Q000378:metabolism
chemical_list: D004044:Dietary Proteins; D011506:Proteins; D014508:Urea; D003404:Creatinine; D009584:Nitrogen