Migraine
NEJM 377:553-561, Charles, A., 2017
Infective Endocarditis
Lancet 387:882-893, Cahill, T.J. & Prendergast, B.D., 2016
Clinical Manifestations and Evaluation of Adults with Suspected Native Valve Endocarditis
UpToDate Feb, Sexton, D.J. & Fowler,Jr., V.G., 2016
Cluster Headache
BMJ 344:e2407, Nesbitt,A.D.,et al, 2012