title: The ability of calcium to change cyclic AMP from a stimulator to an inhibitor to thymic lymphoblast proliferation.
mesh_terms: D000818:Animals; D002118:Calcium / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D002455:Cell Division / Q000187:drug effects*; D002478:Cells, Cultured; D003470:Culture Media; D000242:Cyclic AMP / Q000494:pharmacology*; D004247:DNA / Q000096:biosynthesis; D008214:Lymphocytes / Q000187:drug effects* / Q000378:metabolism; D008297:Male; D051381:Rats; D013268:Stimulation, Chemical; D013950:Thymus Gland / Q000166:cytology
chemical_list: D003470:Culture Media; D004247:DNA; D000242:Cyclic AMP; D002118:Calcium