Perioral swelling in a previously well child
Rowena Walker, Kathryn Ferris, Maura Scott, Naomi McMahon, Andras Szabo, Alistair C Dick, Sharon Christie, Peter Mallett
Archives of Disease in Childhood - Education and Practice Oct 2022, 107 (5) 372-374; DOI: 10.1136/archdischild-2020-319223