Chronic haemolytic anaemia because of pyruvate kinase (PK) deficiency in a child heterozygous for haemoglobin S and no clinical features of sickle cell disease

1. Manco, L.
2. Vagace, J.M.
3. Relvas, L.
4. Rebelo, U.
5. Bento, C.
6. Villegas, A.
7. Letícia Ribeiro, M.