NEJM This Week — January 26, 2023
Featuring articles on extracorporeal CPR for cardiac arrest, efanesoctocog alfa in severe hemophilia A, zanubrutinib in chronic lymphocytic leukemia, and on using rescaled cystatin C to estimate GFR; a review article on antiretroviral therapy and adverse pregnancy outcomes; a case report of a girl with abdominal pain and bloody diarrhea; and Perspective articles on regulating reproductive medicine without Roe, on sources of innovation in gene therapies, and on the promise.