There has been data ("USMLE Step 2 CK Lecture Notes 2018: Obstetrics/Gynecology (USMLE Prep) - ISBN-13 978-1-5062-2083-3") available for this ISBN from the data sources that books-by-isbn.com uses, but not on the latest request on Fri Aug 2 10:26:59 2019, so the data displayed here has been removed .