Whether it's possible or not being a doctor you take an oath. To care for your patient not to kill them. You take an oath to do things that are proper in the medical world. Not to administer something outside of a hospital setting that's not even your area.

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It is then by those shadows of the hoary Past and their fantastic silhouettes on the external screen of every religion and philosophy that we can by checking them as we go along and comparing them trace out finally the body that produced them.