TY - GEN AU - Hieb,W F AU - Rothstein,M TI - Isolation from liver of a heat-stable requirement for reproduction of a free-living nematode SN - 0003-9861 PY - 1970///0504 KW - Animals KW - Chromatography, Gel KW - Culture Media KW - Hot Temperature KW - Liver KW - Nematoda KW - drug effects KW - Sheep KW - Tissue Extracts N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0003-9861(70)90230-4 ER -