42 Medical and scientific research services; providing medical and scientific research information and conducting clinical trials for others in the fields of Allergy and Immunology, Cardiovascular, Dermatology, Endocrinology, Metabolism, Gerontology, Neuro-degenerative Disorders, Pain Management, Psychiatry, Respiratory, Rheumatology, Internal Medicine, orthopedic, pulmonary, central nervous system, infectious diseases, and women's health in the nature of contraception, endometriosis, overactive bladder, uterine fibroids, vaginal atrophy, treatment of hot flashes, pre-menopausal, peri-menopausal, and post-menopausal studies; medical and scientific laboratory services for others