Objective: This article is the third in a 4-part series on women’s health issues and nuclear medicine. After reading this article the technologist should be able to: (a) state potential risk factors for osteoporosis; (b) describe osteoporosis and its natural history; and (c) identify methods for detecting normal and abnormal bone mineral density results.

introduction: nowadays and with the increasing role of the worldwide web as one of the most important sources of information on the one hand, and the enhancement of its usability on the other, it is necessary for the web designers and developers to be familiar with the criteria that make a web portal usable. therefore, the present study aimed to provide knowledge about the criteria of usability...

spontaneous generation of organisms, the work of Pasteur, and the two special Congress lectures, 'Recherche scientifique et personnalit6' (by Marcel Florkin) and 'Mathematics, music and medical science' (by Alistair Crombie). The papers were delivered in simultaneous sessions and while there was comparatively little overlap of biology and chemistry, this, unfortunately, was not so for some of t...

the human knowledge on orthopedics traces back to dawn of the medical history. during the history of medicine, several scholars including persian scientists investigated orthopedics and contributed to its flowering. abu ali al-hussain ibn abdullah ibn-sina is a great persian physician whose opinions on various aspects of medicine, including the science of orthopedics, are so remarkable. in this...

Little is known about the state of experimentation in the field of medicine during the Medieval Islamic era. With few exceptions, most of the contemporary sources on history of medicine propagate the idea that the roots of experimental medicine in its modern form, including clinical trials and drug-potency studies, first started during the European Renaissance in the 16(th) to the 18(th) centur...