John G. Ryan (@jgryan0) 's Twitter Profile
John G. Ryan

@jgryan0

Clinical and health outcomes scientist interested in behaviors, policy and marketing that impact disease risk, management & health outcomes #pfizercolleague

ID: 59312494

linkhttp://www.linkedin.com/pub/john-g-ryan-dr-p-h/53/a70/621/ calendar_today23-07-2009 01:04:55

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