title: Enhancement by serotonin of intra-tumour penetration of spleen cells.
mesh_terms: D000818:Animals; D005260:Female; D005354:Fibrosarcoma / Q000276:immunology*; D008214:Lymphocytes / Q000187:drug effects; D051379:Mice; D008810:Mice, Inbred C57BL; D009132:Muscles / Q000276:immunology; D012701:Serotonin / Q000494:pharmacology*; D013154:Spleen / Q000166:cytology* / Q000276:immunology
chemical_list: D012701:Serotonin