Primary adenocarcinoma in the urethrorectal fistula

This paper delineates in short the way in which epidemiology and obstetrics and gynaecology could profit from each other's expertise and why. Epidemiology addresses the rates of occurrence in illnesses and their outcomes in relation to potential determinants of these in any realm of medicine. Obstetrics and gynaecology concern themselves with the female reproductive system, notably. Epidemiologic methods are essential to valid research, and obstetrics and gynaecology are essential to valid inference of epidemiologic research.