Uerpairojkit Boonchai, Manotaya Saknan, Tanawattanacharoen Somchai, Prechawat Somchai, Charoenvidhya Dhiraphongs
Department of Obstetrics and Gynaecology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
Prenat Diagn. 2009 Mar;29(3):274-6. doi: 10.1002/pd.2181.