Barry M. Czeisler, MD, MS, MHPE, FAAN (@barryczeislermd) 's Twitter Profile
Barry M. Czeisler, MD, MS, MHPE, FAAN

@barryczeislermd

Neurointensivist, medical educator, nature and hiking enthusiast

ID: 723539520935829506

calendar_today22-04-2016 15:50:39

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165 Followers

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