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From The JAMA Network
JAMA Oncology
Editorial  | 
Thiopurines for the Treatment of Acute Lymphoblastic Leukemia in Children:  What’s Old Is New
Franklin O. Smith, MD; Maureen M. O’Brien, MD, MS
JAMA Oncology
Original Investigation  | 
Systemic Exposure to Thiopurines and Risk of Relapse in Children With Acute Lymphoblastic Leukemia:  A Children’s Oncology Group Study
Smita Bhatia, MD, MPH; Wendy Landier, PhD, RN; Lindsey Hageman, MPH; et al.
JAMA Dermatology
Case Report/Case Series  | 
Narrowband UV-B Phototherapy for Steroid-Refractory Sclerotic Chronic Cutaneous Graft-vs-Host Disease
Eric Sorenson, AB; Rachel Holtzman, BS; Viraat Patel, BS; et al.
JAMA Dermatology
JAMA Dermatology Clinicopathological Challenge  | 
Painful Erythema and Edema of the Ears
Matthew F. Helm, BS; Cheryl White-Davis, RPA-C; Robert E. Kalb, MD