PubMed: [The origin of informed consent].
Interesting article about the history of “informed consent.” It hardly makes sense to let your doctor do things to you without a complete explanation.
Therefore, invested with this authority which derived from his professional role and from his very work, he felt it his duty to guide the patient, deciding and for him. The patient is an ignorant person who does not have the knowledge, the intellectual capacity or moral authority to oppose or disagree with the wishes and decisions of the physician who, instead, on account of his doctrine, knows exactly what is good for him.