physician

... Prisoners of war who, though not attached to the medical service of their armed forces, are physicians, surgeons, dentists, nurses or medical orderlies, may be required by the Detaining Power to exercise their medical functions in the interests of prisoners of war dependent on the same Power. In that case they shall continue to be prisoners of war, but shall receive the same treatment as corresponding medical personnel retained by the Detaining Power. They shall be exempted from any other work under Article 49. ...

... If any prisoner of war considers himself incapable of working, he shall be permitted to appear before the medical authorities of his camp. Physicians or surgeons may recommend that the prisoners who are, in their opinion, unfit for work, be exempted therefrom. ...

... 1. Wounded and sick proposed by a physician or surgeon who is of the same nationality, or a national of a Party to the conflict allied with the Power on which the said prisoners depend, and who exercises his functions in the camp. ...

... The physician or surgeon of the same nationality as the prisoners who present themselves for examination by the Mixed Medical Commission, likewise the prisoners' representative of the said prisoners, shall have permission to be present at the examination. ...