Legal and illegal organ donation.
D001208:Asia; D005062:European Union; D006291:Health Policy / Q000191:economics / Q000331:legislation & jurisprudence*; D006801:Humans; D014019:Tissue Donors / Q000706:statistics & numerical data*; D009927:Tissue and Organ Procurement / Q000331:legislation & jurisprudence* / Q000706:statistics & numerical data; D014195:Travel / Q000639:trends