The Elsevier Tetrahedron Organic Chemistry Series is a topical series of monographs by world-renowned scientists in several fields of organic chemistry. The Tetrahedron Organic Chemistry Series has been very successful in providing some of the very best scholarly works in these topical areas that have proven to be of lasting quality as indispensable reference sources. These books have provided the practicing researcher, student and scholar with an invaluable source of comprehensive reviews in or

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The main emphasis of this new fifth edition of Advanced Therapy of Gastroenterology and Liver Disease is on patient management. Chapters are dedicated to general topics in gastroenterology and hepatology practice and the use of diagnostic tests in clinical decision-making. Principles in endoscopy including sedation and infection control are also examined. Each chapter consists of recommendations from an expert in the field concerning a very focused problem. The authors discuss recommendations fo

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This convenient, bench-top manual highlights typical preparative methods for a wide range of polymer types. The Sourcebook emphasizes practical laboratory procedures for a selection of syntheses that are representative of a given class of starting materials and polymerization techniques. The choice of material reflects the extensive industrial experience of the authors, saves on tedious literature searching when planning laboratory procedures, and includes specific laboratory directions that can

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• Contains no aspartame, sucrose, artificial colors or flavors, wheat, soy, yeast, corn proteins, salt, preservatives or animal products.

GastrEnz eases the irritation and discomfort accompanying acid reflux, ulcerations and other gastrointestinal problems.GastrEnz contains: Marshmallow root helps soothe and protect mucous membranes and has anti-inflammatory properties. Green papaya concentrate contains papain, a proteolytic enzyme that aids digestion. Its anti-inflammatory properties make it good for indigestion and heartburn. Licorice root increases mucus production and improves circulation in the gut lining.

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Or how long it takes to have serious complications (narrowing of the esophagus, ulcers, etc.)