{"in": [], "out": ""}
{"in": [""], "out": "the supernatant"}
{"in": ["ACK lysing buffer"], "out": ""}
{"in": ["the ACK"], "out": ""}
{"in": ["the supernatant"], "out": ""}
{"in": ["2 ml 1x DPBS"], "out": ""}
{"in": ["1x DPBS with 20 ng/ml murine M-CSF"], "out": ""}
{"in": ["complete DMEM medium"], "out": ""}
{"in": [], "out": "fresh complete DMEM medium"}
{"in": ["fresh complete DMEM medium"], "out": ""}
{"in": ["fresh complete DMEM medium"], "out": ""}