If pigs could fly.
Nicholson
R
R
D000818:Animals; D004992:Ethics, Medical; D016027:Heart Transplantation / Q000331:legislation & jurisprudence; D006801:Humans; D013552:Swine; D009927:Tissue and Organ Procurement / Q000331:legislation & jurisprudence; D014183:Transplantation, Heterologous