Variable density of silver-stained fibrils in the myocardium.
D000818:Animals; D001835:Body Weight / Q000187:drug effects; D006321:Heart / Q000187:drug effects*; D007099:Imipramine / Q000494:pharmacology*; D008297:Male; D009206:Myocardium / Q000166:cytology*; D009929:Organ Size / Q000187:drug effects; D051381:Rats; D012110:Reserpine / Q000494:pharmacology*; D013974:Thyroxine / Q000494:pharmacology*
D012110:Reserpine; D007099:Imipramine; D013974:Thyroxine