using the biological test on rats the thrombocytopoietic activity ( at ) was determined in sera of 13 patients with idiopathic thrombocytopenia ( itp ) , 5 patients with pancytopenia and bone marrow hypoplasia , 18 with thrombocytopenia developing during proliferative diseases of the haemopoietic system , and 4 patients with erythremia vera .
C0030312
pancytopenia
C0018939
diseases of