Jeffrey Wagner medical student, John Marquart medical student, Julia Ruby medical student, Austin Lammers hematology/oncology fellow, Sham Mailankody assistant professor, Victoria Kaestner research assistant et al
Wagner J, Marquart J, Ruby J, Lammers A, Mailankody S, Kaestner V et al.
Frequency and level of evidence used in recommendations by the National Comprehensive Cancer Network guidelines beyond approvals of the US Food and Drug Administration: retrospective observational study
BMJ 2018; 360 :k668
doi:10.1136/bmj.k668