to investigate erythroid colony formation in polycythaemia of different types and in thrombocythaemia , a study was performed in 121 subjects , including 13 normal volunteers ( n ) , 30 patients with primary proliferative polycythaemia ( ppp ) , 35 with idiopathic erythrocytosis ( ie ) , 19 with secondary polycythaemia ( sp ) , 10 with primary thrombocythaemia ( pt ) and 14 with secondary thrombocytosis ( st ) ;
C0836924
thrombocythaemia
C0040028
primary thrombocythaemia