Marriott's Practical Electrocardiography, 10th ed. Campbell's Urology, 7th ed. Washington Manual of Medical Therapeutics, 29th ed. Ophthalmology, 1st ed. The complete 17th edition, fully searchable.
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This 1996 edition by C.R. Wheeless includes both text and images, and has been reviewed by an editorial board of health professionals. Of special interest are several current reference tools, such as dictionaries, writing aids and an encyclopedia. An online archive of thousands of SGML-encoded electronic texts. From the Internet Public Library, an index to over 13,000 items, including full books, short texts, and non-English texts. Health and medical topics are included.