Human serum megakaryocyte (MK) colony stimulating activity (Meg-CSA) is distinct from interleukin-3 (IL-3), granulocyte macrophage colony stimulating factor (GM-CSF), and phytohemagglutinin stimulated lymphocyte conditioned medium (PHA-LCM) - Mayur, E M; Cohen, J L; Newton, J; Gesner, T G; Mufson, R A (Blood, 1988)
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