title: Reply to the letter.
authors.forename: Dustin J
authors.initials: DJ
authors.lastname: Little
authors.forename: Robert
authors.initials: R
authors.lastname: Nee
authors.forename: Maura A
authors.initials: MA
authors.lastname: Watson
authors.forename: Kevin C
authors.initials: KC
authors.lastname: Abbott
authors.forename: Christina M
authors.initials: CM
authors.lastname: Yuan
mesh_terms: D002411:Cation Exchange Resins / Q000191:economics*; D005260:Female; D006801:Humans; D006947:Hyperkalemia / Q000188:drug therapy*; D008297:Male; D011137:Polystyrenes / Q000191:economics*
chemical_list: D002411:Cation Exchange Resins; D011137:Polystyrenes