to reexamine the influence that t lymphocytes have on the regulation of human peripheral blood burst-forming unit ( bfu-e ) proliferation in the absence of a statistically significant number of monocytes , very low numbers ( 3 to 10 x 10 ( 3 ) /ml ) of a null cell fraction highly enriched for bfu-e were cultured alone and in the presence of 5 x 10 ( 5 ) sheep erythrocyte-purified , autologous t lymphocytes in a methylcellulose culture system containing erythropoietin .
C0229664
peripheral blood
C0026473
monocytes