Understanding and managing ulcersde John L. DeckerMateriasPopular worksDigestive organsDiseasesPeptic ulcerUlcersEdiciones (1)Understanding and managing ulcers (1988)Avon Books · inglésMás obras de John L. DeckerAArthritisArthritisPProtomechanicsProtomechanicsUUnderstanding and managing arthritisUnderstanding and managing arthritis