A Self-Study Guide to the Principles of Organic Chemistry: Key Concepts, Reaction Mechanisms, and Practice Questions for the Beginner will help students new to

Practical guide to help trainees interpret ECGs and recognise cardiac abnormalities. Presents 400 practice ECG tracings, with explanations and diagnoses for ref

This brief guide contains a comparison of Yale and Pinyin romanizations and a comparison of Pinyin and Wade-Giles romanizations.

Korean has been called "the most logical language there is," and with this friendly and thorough introduction you can quickly begin speaking conversational Kore