RT Journal Article SR Electronic T1 Negative anion gap and elevated osmolar gap due to lithium overdose JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 921 OP 923 DO 10.1503/cmaj.061057 VO 176 IS 7 A1 Sood, Manish M. A1 Richardson, Robert YR 2007 UL http://www.cmaj.ca/content/176/7/921.abstract AB