Free on-line scientific books - Medical Textbooks (by Medical Matrix)

Acronym Finder 
Allergy and Immunology (by Medscape)
Asma Management Handbook 2006
Atlas of Anatomy of the Human Brain
Atlas of Human Anatomy in Cross Section

Atlas of Microanatomy 
Atlas of Chest X-ray
Atlas of Dermatology
Atlas of Dermatology (DermIS) - Dermatology Information System
Atlas of Dermatology and Rheumatology 
Atlas of Gastrointestinal Endoscopy
Atlas of Kidney Diseases
Atlas of Ophthalmology
Cancer Management ( - 258978)
Cancer Medicine 5 (Holland-Frei)
Cell biology (the Biology Project)
ECG library
Emergency Medicine (by Medscape)
Family Practice Notebook
Free Books 4 Doctors!
Genetic Analysis-an introduction (NCBI)
General Practitioner Notebook (free until 3 interrogations. After, paysite)
HIV Medicine, a Medical Textbook
Human Embryology
Infectious Diseases
Laboratory Testing: a clinical guide
MedlinePlus Medical Encyclopedia
Merck Manual (italiano)
Merck Manuals
Multiple Sclerosis (2001), National Academies Press
Obstetrics and Gynecology (by Medscape)
Palliative Care for Cancer (2001), National Academies Press
Pathology Laboratory
Pediatrics (by Medscape)
Physical Medicine and Rehabilitation (by Medscape)
Radiology (by Medscape)
SARS reference book
Sexually Transmitted Diseases (by Center for Disease Control and Prevention)
Sports Medicine (by Medscape)
Surgical Treatment, evidence based and problem oriented