title: Seasonal variability problems of cardiotoxicity in guinea pigs.
mesh_terms: D000821:Animal Feed; D000818:Animals; D002301:Cardiac Glycosides / Q000633:toxicity*; D006168:Guinea Pigs; D006321:Heart / Q000187:drug effects*; D008297:Male; D010042:Ouabain / Q000633:toxicity; D012621:Seasons; D014887:Weather
chemical_list: D002301:Cardiac Glycosides; D010042:Ouabain