BACKGROUND:The Ribosomal protein S19 gene locus (RPS19) has been linked to two kinds of red cell aplasia. Diamond-Blackfan Anemia (DBA) and Transient Erythroblastopenia in Childhood (TEC). Mutations in RPS19 coding sequences have been found in 25% of DBA patients. but not in TEC patients. https://www.socialstudiesscholar.com/