I like most of the AMK / Adventure Medical Kits, they are high quality, well thought out and organized, and reasonably priced for what you get. They include an excellent field first aid guide. They are nothing like the one you linked above, but then again I am no surgeon, either. Don't think I could ever use 5 or 6 different sizes of scissors. I carry the Mountain Weekender in my LR4 (
https://www.amazon.com/gp/product/B000G7YIL4/ref=oh_aui_detailpage_o04_s00?ie=UTF8), unless you overland for weeks or with very large groups it has enough of just about everything you need to treat 99% of injuries you or your buddies could incur on a trail. Plus, there is enough stretch in the bag to supplement some additional goodies (I added a whistle, some extra pain relievers, bandages, sunscreen tube, a lighter, pocket knife, better quality tweezers, and a couple other small accessories). The bag fits comfortably inside the covered cubby on the LH side of the cargo area of the LR4.
Just remember that you will have to replenish some of the medications / pain relievers in the kit every year or so, as they expire and the heat of the car doesn't do them any favors. I usually just buy a new kit every couple of years to be safe. Other than the occasional Band-Aid and Aspirin, I have only had to use it once for a minor, self inflicted injury (cut my hand and fingers pretty bad a couple of years ago trying to hand catch my drone attempting to defect back to China, what a ******* move that was), knock on wood...