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Office
160 E Erie Ave
Philadelphia, PA 19134Phone+1 215-427-5085Fax+1 410-706-5103
Education & Training
- Johns Hopkins UniversityFellowship, Pediatric Pulmonology, 1991 - 1994
- Johns Hopkins UniversityResidency, Pediatrics, 1988 - 1991
- University of California San Francisco School of MedicineClass of 1988
Certifications & Licensure
- MD State Medical License 1991 - 2025
- PA State Medical License 2023 - 2024
- American Board of Pediatrics Pediatric Pulmonology
Publications & Presentations
PubMed
- 49 citationsRandomized Trial of Late Surfactant Treatment in Ventilated Preterm Infants Receiving Inhaled Nitric OxideRoberta A. Ballard, Roberta L. Keller, Dennis M. Black, Philip L. Ballard, Jeffrey D. Merrill
The Journal of Pediatrics. 2016-01-01 - 50 citationsElevated Ambient Air Zinc Increases Pediatric Asthma MorbidityJon Mark Hirshon, Michelle Shardell, Steven Alles, Jan L. Powell, Katherine Squibb
Environmental Health Perspectives. 2008-06-01 - 27 citationsRespiratory Medications in Infants <29 Weeks during the First Year Postdischarge: The Prematurity and Respiratory Outcomes Program (PROP) ConsortiumRita M. Ryan, Roberta L. Keller, Brenda B. Poindexter, Carl T. D'Angio, Pamela A. Shaw
The Journal of Pediatrics. 2019-05-01
Press Mentions
- Statement on Use of Antenatal Corticosteroids in Late Preterm Birth PeriodApril 6th, 2016
- Prenatal Steroids Reduce Respiratory Complications in Late Preterm InfantsFebruary 8th, 2016
- Prenatal Steroids Reduce Respiratory Complications in Late Preterm InfantsFebruary 8th, 2016
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