RT Journal Article SR Electronic T1 Fatal methaemoglobinemia due to intentional sodium nitrite ingestion JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e252954 DO 10.1136/bcr-2022-252954 VO 15 IS 12 A1 Zachary S Wettstein A1 Nicole A Yarid A1 Sachita Shah YR 2022 UL http://casereports.bmj.com/content/15/12/e252954.abstract AB