1. NPO during labor Anesthesiology Clinics of North America
Geraldine O'Sullivan, MD, FRCA, Mark Scrutton, FRCA 
Anesthesiology Clinics of North America 
Volume 21, Issue 1, Pages (March 2003)
DOI: /S (02)

2. Fig. 1
Maternal mortality from anesthesia (white) and pulmonary aspiration (black), 1952–1999. (From Department of Health. Reports on confidential enquiries into maternal deaths in England and Wales / United Kingdom 1952–1999. London: HMSO; 1957–2001; with permission.)
Anesthesiology Clinics of North America  , 87-98DOI: ( /S (02) )