Lothman KA, Mangel AW. Pulse Synchronized Contractions (PSCs) - Editorial. J Cardiol Cardiovasc Med. 2019 Nov 15;4:199-200. doi: 10.29328/journal.jccm.1001067
Engelhart L, Nelson L, Lewis S, Mordin M, Demuro-Mercon C, Uddin S, McLeod L, Cole B, Farr J. Knee injury and osteoarthritis outcome score subscales for patients with articular cartilage lesions of the knee. Am J Sports Med. 2012 Oct 1;40(10):2264-72.