First Aid for the USMLE Step 1 2021, Thirty First Edition 31st Edition
by Tao Le(Author), Vikas Bhushan (Author), Matthew Socat (Author)
- Publisher : McGraw-Hill Education / Medical; 31st edition (January 11, 2021)
- Language : English
- Paperback : 864 pages
- ISBN-10 : 126046752X
- ISBN-13 : 978-1260467529