With this third edition of First Aid for the Basic Sciences: Organ Systems, we continue our commitment to providing students with the most useful and up-to-date preparation guides for the USMLE Step 1. For the past year, a team of authors and editors have worked to update and further improve this third edition. This edition represents a major revision in many ways.
■ Every page has been carefully reviewed and updated to reflect the most high-yield material for the Step 1 exam.
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Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
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