A larger list of medical association's and society's homepages. A short list of hospital associations' homepages. A list of Exercise Physiology related journals wiht links to their homepages. Not many of these journals have their articles online. A disease tree listing leading to many very specific sites.
Information appears to be limited, but authoritative.
Do not overlook the listing of diseases. Major subject headings dealing with women's health. Multiple levels and advertisements make it hard to use and sometimes slow to download. Use the Site Search link on the left column. Searchable database of drugs, includes an alternative medicine FAQ with articles on individual alternative drugs.