1. Persistent Fetal Circulation
Phyllis H. Saucier, RN, MSN 
JOGN nursing 
Volume 9, Issue 1, Pages (January 1980)
DOI: /j tb01305.x
Copyright © 1980 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions

2. Figure 1 Transition from fetal to adult circulation.
JOGN nursing 1980 9, 50-53DOI: ( /j tb01305.x)
Copyright © 1980 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions

3. Figure 2 Persistent fetal circulation.
JOGN nursing 1980 9, 50-53DOI: ( /j tb01305.x)
Copyright © 1980 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions