Isolation from liver of a heat-stable requirement for reproduction of a free-living nematode.
D000818:Animals; D002850:Chromatography, Gel; D003470:Culture Media; D006358:Hot Temperature; D008099:Liver; D009348:Nematoda / Q000187:drug effects* / Q000254:growth & development; D012756:Sheep; D014020:Tissue Extracts
D003470:Culture Media; D014020:Tissue Extracts