31. Before carrying out a chiropractic treatment, chiropractors must perform examinations on their patient including, in particular, the following items:(1) the appropriate history of the case;
(2) the clinical and radiological examinations required by the patient’s condition;
(3) sufficient research of any subjacent pathology and anomaly by the diagnostic methods indicated and in compliance with standards of chiropractic science; and
(4) an unequivocal indication of an appropriate chiropractic therapy.