Comparison of haem a, the dichroic haem of heart muscle, and of porphyrin a with compounds of known structure.
D006418:Heme; D006801:Humans; D009206:Myocardium; D011166:Porphyrins
D011166:Porphyrins; C028285:porphyrin a; D006418:Heme
MYOCARDIUM; PORPHYRIN