Hakkal NH, Srinivasan V.: Sarcoidosis: Making the Diagnosis without Diagnostic Biopsy. Associates Day, Maryland Chapter of the American College of Physicians, Baltimore, MD. : 2015.
Hakkal NH, Koch C, Siddique N, Tahir K, Paradigm HF.: Critically Appraised Topic for Journal Club. University of Maryland, Department of Medicine, Baltimore, MD. : 2014.
Hakkal, NH.: Urine Uric Acid Levels in Parkinson's Disease. Emory University, Atlanta, GA. : 2013.
Hakkal, NH.: Postnatal Supplemental Choline Facilitates Extinction of Fear in Rats Trained as Adolescents. Eastern Psychological Association Conference, Pittsburgh, PA : 2009.
Hakkal NH, Kenner KM, Hunt PS.: The Effects of Neonatal Treatment with a Competitive NMDA Antagonist on Fear Behavior in Rats. Neuroscience Symposium, College of William and Mary, Williamsburg, VA. : 2007.
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