Internal Medicine

Comprehensive open-access textbook covering all body systems, from cellular biology to organ physiology. Peer-reviewed and widely adopted in university courses.

OpenStax, Rice University

Medical handbook covering cardiology, respiratory, gastroenterology, hepatology, nephrology, and endocrinology. Includes self-assessment MCQs per chapter.

Síle Kelly, Brian Creaner (Eds.)

Practical clinical manual covering emergency protocols, common diseases, pediatric conditions, and surgical procedures. Produced by Doctors of the World Greece for field medicine.

Patestos Dimitrios

WHO guide for clinicians in developing countries on clinical diagnosis of disease and proper use of diagnostic services. Covers laboratory and imaging techniques.

Jane Carter, Irmela Müller-Stöver, Harald Östensen, Claus Chr. Heuck

Comprehensive textbook on clinical immunology, serology, and laboratory techniques. Covers innate and adaptive immunity, hypersensitivity, autoimmunity, transplant immunology, and diagnostic methods.

Christine Dorresteyn Stevens, Linda E. Miller