text: FM 2-22.3 ____________________________________________________________________________________
  purpose the most efficient methods available shall be employed, e.g. periodic mass miniature
  radiography for the early detection of tuberculosis.
  ARTICLE 32
  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.
  Chapter IV Medical Personnel and Chaplains Retained To Assist Prisoners Of War
  ARTICLE 33
  Members of the medical personnel and chaplains while retained by the Detaining Power with a
  view to assisting prisoners of war, shall not be considered as prisoners of war. They shall,
  however, receive as a minimum the benefits and protection of the present Convention, and shall
  also be granted all facilities necessary to provide for the medical care of, and religious
  ministration to, prisoners of war.
  They shall continue to exercise their medical and spiritual functions for the benefit of prisoners
  of war, preferably those belonging to the armed forces upon which they depend, within the scope
  of the military laws and regulations of the Detaining Power and under the control of its
  competent services, in accordance with their professional etiquette. They shall also benefit by the
  following facilities in the exercise of their medical or spiritual functions:
  (a) They shall be authorized to visit periodically prisoners of war situated in working
  detachments or in hospitals outside the camp. For this purpose, the Detaining Power shall
  place at their disposal the necessary means of transport.
  (b) The senior medical officer in each camp shall be responsible to the camp military
  authorities for everything connected with the activities of retained medical personnel. For
  this purpose, Parties to the conflict shall agree at the outbreak of hostilities on the subject of
  the corresponding ranks of the medical personnel, including that of societies mentioned in
  Article 26 of the Geneva Convention for the Amelioration of the Condition of the Wounded
  and Sick in Armed Forces in the Field of August 12, 1949. This senior medical officer, as well
  as chaplains, shall have the right to deal with the competent authorities of the camp on all
  questions relating to their duties. Such authorities shall afford them all necessary facilities
  for correspondence relating to these questions.
  (c) Although they shall be subject to the internal discipline of the camp in which they are
  retained, such personnel may not be compelled to carry out any work other than that
  concerned with their medical or religious duties.
  During hostilities, the Parties to the conflict shall agree concerning the possible relief of retained
  personnel and shall settle the procedure to be followed.
  None of the preceding provisions shall relieve the Detaining Power of its obligations with regard
  to prisoners of war from the medical or spiritual point of view.