The anterior collateral ligament (ACL) and medial collateral ligament (MCL) are two of the four main ligaments that help stabilize the knee. The other two are the posterior cruciate ligament or PCL ...
1. What is antiphospholipid syndrome (APS)? Antiphospholipid syndrome (APS) is a systemic autoimmune disorder in which the patient’s immune system makes antibodies (antiphospholipid antibodies [aPL]) ...