title: [Exacerbation of hereditary methemoglobinemia in twin infants].
mesh_terms: D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007223:Infant; D008708:Methemoglobinemia / Q000235:genetics*
vernacular_title: Obostrenie nasledstvennoĭ metgemoglobinemii u bliznetsov grudnogo vozrasta.