Perspective
History of Clinical Trials: The Emergence of the Randomized, Controlled Trial
History of Medicine: The DNR Order after 40 Years
Original Articles
Randomized Trial of Thymectomy in Myasthenia Gravis
Fresh versus Frozen Embryos for Infertility in the Polycystic Ovary Syndrome
Extended Thromboprophylaxis with Betrixaban in Acutely Ill Medical Patients
Images in Clinical Medicine
Aortic Calcification and Superior-Mesenteric-Artery Stenosis
Enlarged Right Atrium
Editorials
RetroSternal — Looking Back at Thymectomy for Myasthenia Gravis
“Freeze Only” — An Evolving Standard in Clinical In Vitro Fertilization
Correspondence
Fusion Surgery for Lumbar Spinal Stenosis
Stenting versus Surgery for Carotid Stenosis
Newborn Bilirubin Screening for Biliary Atresia