Muirhead took on the challenge of operating on a 70 - year - old man with a bleeding ulcer who, because of his Bible - based beliefs as one of Jehovah’s Witnesses, had asked for treatment that did not require a blood transfusion.
בשל אמונתו המקראית כאחד מעדי ־ יהוה, ביקש האיש שיטפלו בו ללא עירויי דם (‏ מעשי השליחים ט ” ו: 28, 29‏).