1. Postpartum Headaches Annals of Emergency Medicine
Michael B. Weinstock, MD, Jenny M. Jaque, MD, Mel Herbert, MD, Paul Jhun, MD 
Annals of Emergency Medicine 
Volume 69, Issue 1, Pages (January 2017)
DOI: /j.annemergmed
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

2. Figure 1
Mnemonic for serious causes of postpartum headache: PPM HHA (postpartum hheadache)
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions

3. Figure 2 ACOG guideline definition of preeclampsia.
Annals of Emergency Medicine  , DOI: ( /j.annemergmed )
Copyright © 2016 American College of Emergency Physicians Terms and Conditions