title: Pigeon crop sac stimulation due to a factor produced by plerocercoids of the tapeworm, Spirometra mansonoides.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002589:Cestoda; D010856:Columbidae; D003426:Crop, Avian / Q000378:metabolism*; D006133:Growth Substances; D013031:Sparganosis / Q000378:metabolism*
chemical_list: D006133:Growth Substances