«Clinical Interpretation of Urine Drug Tests: What Clinicians Need to Know About Urine Drug Screens». Mayo Clinic Proceedings. 92 (5): 774–796. May 2017. doi:10.1016/j.mayocp.2016.12.007. PMID28325505.
«Urinalysis: a review of methods and procedures». Critical Care Nursing Clinics of North America. 22 (1): 121–128. March 2010. doi:10.1016/j.ccell.2009.10.012. PMID20193886.
«Clinical Interpretation of Urine Drug Tests: What Clinicians Need to Know About Urine Drug Screens». Mayo Clinic Proceedings. 92 (5): 774–796. May 2017. doi:10.1016/j.mayocp.2016.12.007. PMID28325505.
«Urinalysis: a review of methods and procedures». Critical Care Nursing Clinics of North America. 22 (1): 121–128. March 2010. doi:10.1016/j.ccell.2009.10.012. PMID20193886.