Whether it is ethically acceptable for doctors to require payment of fees before treatment depends on interpretation of the ethical rules of the profession, the circumstances of the doctor-patient relationship, the urgency of the patient's need for treatment, and whether refusal to treat before payment represents abandonment of a patient.

BACKGROUND There is debate concerning methods for calculating numbers needed to treat (NNT) from results of systematic reviews. METHODS We investigate the susceptibility to bias for alternative methods for calculating NNTs through illustrative examples and mathematical theory. RESULTS Two competing methods have been recommended: one method involves calculating the NNT from meta-analytical e...

life in the modern world means existing with the evolving face of modern warfare and global terrorism. we have disasters both man-made disasters, natural. man has devised weapons of mass destruction, which in the hands urban terrorists can cause blasts, building collapses. resulting in a unique pattern of damage to the human body namely, crush injuries “crush syndrome” first recorded in bombing...