But a large amount of crystals or definite types of crystals can indicate kidney stones are at hand or that there is a dilemma with how the body is metabolizing food. Symptoms of Crystals in Urine When crystals are found in the urine it is an indication or a symptom that something is wrong in the urinary system.
Shelton (1999) further clarifies human subjects research: âA key aspect of research is that there be a systematic design in advance, generally utilizing a scientific approach or protocol, for the definite purpose of contributing to generalizable knowledge.
Clinical research is research that directly involves a particular person or group of people, or that uses materials from humans, such as their behavior or samples of their tissue.y taking part in clinical trials, participants can not only play a more active role in their own health care, but they can also access new treatments and help others by contributing to medical research. The NICHD is involved in all aspects of clinical trials and clinical research.