Did A Small Plastic Disk Come With Your Ratchet And Socket Set? Here's What It's For

Noticed a small plastic disk in your ratchet and socket set? A spin disk allows you to tighten or loosen sockets without cranking the ratchet head.
SciELO

Effect of PDGF-BB, IGF-I Growth Factors and their Combination Carried by Liposomes in Tooth Socket Healing

This work evaluated the bone-forming potential of the platelet-derived growth factor isoform BB (PDGF-BB), insulin-like growth factor I (IGF-I), and mixed PDGF-BB/IGF-I delivered in liposomes compared ...