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2. American Board of Emergency Medicine In-training Examination Overview https://www.abem.org/public/emergency-medicine-training/in-training-examination/in-training-examination-overview 2014
3. American Board of Emergency Medicine EM Model https://www.abem.org/public/publications/em-model 2014
4. Delay in taking the American Board of Surgery qualifying examination affects examination performance;Malangoni;Surgery,2012
5. Du Y Tan R Do involuntary or self-imposed wait times before taking a certifying examination affect candidate performance? Proceedings from the American Education Research and Association (AERA) 2013