How to study WITHOUT going/relying to class???

I highlighted and underlined certain points to draw your attention to the important portions of this long post . I appreciate your time. I started my first year of medical school about 1 month ago and quickly learned that there is NO WAY I can study like how I did for undergrad. I killed undergrad by simply listening to lectures and transcribing them into notes. My college had amazing professors so it worked out well and I never had to use a textbook. There is not enough... How to study WITHOUT going/relying to class???
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Source Type: forums