47. Nlm.nih.gov
The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world's largest medical library. It collects materials in all major areas of the health sciences and to a lesser degree in such areas as chemistry, physics, botany
http://www.nlm.nih.gov

48. Holisticmed.com
Extensive documentation on holistic medicine, alternative medicine, holistic healing, nutrition, toxic consumer products and many other subjects. Links to other holistic healing sites, conference & retreat listings, case histories of healings &
http://www.holisticmed.com

49. Madrid love, romance, and sex information.
Learn all about Madrid love, romance, sex, and romantic relationships, and how to improve your love life in Madrid, including how to meet your someone special through dating site personals ads.
http://www.madridlovesex.com