Clinical chemistry helps areas like molecular biology or transplant medicine by applying their practical applications to develop the worlds knowledge in these areas. Physicians is defendant on clinical chemistry in research and develop laboratory procedures to make a better and precise diagnoses. They use chemistry to evaluate patients health, to examine bodily tissues, DNA, evaluate blood or study cells. For specific diseases like cystic fibrosis, diabetes, or muscular dystrophy. Assistants, technicians, technologists, specialists, physicians, and doctoral scientists work in hospital or clinical laboratories, in research, in manufacturing (industry), in pharmaceutical companies, in commercial reference laboratories, in academic laboratories, in research foundations & in government regulatory agencies.