Queenan, John T 
Protocols for high-risk pregnancies :  an evidence-based approach.    - Sixth edition /  edited by John T. Queenan MD, Catherine Y. Spong MD, Charles J. Lockwood MD, MHCM.   - Chichester, West Sussex, UK :  Wiley Blackwell,  2015.   - xiv, 492 pages :  illustrations ;  26 cm