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Professional English in Use: Medicine (Br.)

Manual of English for Overseas Doctors (Br.) 

International Medical Communication (Am.)

Medical English (Am.)

Primary Care English (Br.)

Modern Scientific Communication (Am.)

Stedman's Concise Dictionary for the Health Professions (Am.)   

Cambridge "English in Use" Series (Br.)     

Concise Oxford English Dictionary (Br.)   

For Spanish Speakers:

Diccionario Critico de Dudas Inglés-Español de Medicina