INFORMED CONSENT IS PREREQUISITE FOR ANY KIND OF MEDICAL INTERVENTIONS. CLINICAL LABORATORIES IN IRAN BASED ON LAWS ANDREGULATIONS ARE CONSIDERED TO BE MEDICAL CENTERS. SO IT IS MANDATORY THAT PATIENTS REFFERED TO CLINICAL LABS SHOULD GIVE CONSENT BEFORE TAKING SAMPLES. ALTHOUGH SOME LABS TAKE CONSENT BEFORE SAMPLING AND INTERVENTIONS, BUT IT SEEMS THAT MOSTARE UNFAMILIAR WITH IT. ...