Letters to the EditorLETTERS TO THE EDITOR Limitations of Survey-Based Assessments on Duty-Hour Work Standards Richard McDonald, JD, PhD Notes and Affiliations Notes and Affiliations Published: June 1, 2007 Richard McDonald, JD, PhD, Senior Principal Scientist Product Development Associate Director GenoVar Biosciences St Clair Shores, Michigan J Osteopath Med; 107(6): 214-233 https://doi.org/10.7556/jaoa.2007.107.6.214