This text's main target is to create the knowledge about the contemporaneous methods used in practical research of health sciences. Acquisition of knowledge necessary for the use of modern methods of documentary, assimilation of some theoretical definitions applicable in research and some standards of rules necessary to highlight research results used in undergraduate thesis. It is not a simple matter to conduct rigorous research, but it can be interesting, enlightening and rewarding. I hope that this book will help and encourage health care providers to become more active, productive researchers. Moreover, this book may provide guidelines to all interested in research studies who need to conduct research and publish.