_:vb50940488 . _:vb50940488 . _:vb50940488 . _:vb50940488 . _:vb50940488 . _:vb50940488 "An acute lymphocytic leukemia occuring during childhood."^^ . _:vb50940488 "url:https://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI_Thesaurus&version=16.04d&ns=NCI_Thesaurus&code=C3168&key=736438179&b=1&n=null"^^ .