Philosophical Transactions, Volume 2…
“ And since the Transfusion of Blood is a new thing (unknown for ought we know) to all former Ages, ingenious Men, and lovers of the Increase of the Stock, serving for the relief and conveniences of Human Life, do no more, in this particular, than propose and recommend it to generous and unprejudicate Physicians, to judge of its agreeableness to Human Bodies, and to make trials of it accordingly; themselves esteeming, that since it concerns the Health and Life of Man, it cannot be examin'd too severely ”
