Michelle Pearl

A comparison of LMP-based and ultrasound-based estimates of gestational age using linked California livebirth and prenatal screening records.

Megan L. Wier, W. Callaghan, P. Dietz, 2007, Paediatric and perinatal epidemiology.

Environmental Tobacco Smoke and Pregnancy Outcome

James Pirkle, Brenda Eskenazi, B. Eskenazi, 2004, Epidemiology.