title: ["Minimum knowledge" essential to primary care physicians in internal medicine: let us learn about urinary protein quantification-creatinine clearance].
authors.forename: Tooru
authors.initials: T
authors.lastname: Yokoi
mesh_terms: D003404:Creatinine / Q000378:metabolism*; D006801:Humans; D011507:Proteinuria / Q000652:urine*
chemical_list: D003404:Creatinine