Tejavej, ASiripoonya, PSaungsomboon, AChiewsilp, D2009-05-272009-05-271984-10-01Tejavej A, Siripoonya P, Saungsomboon A, Chiewsilp D. Morphine and birth asphyxia. Journal of the Medical Association of Thailand. 1984 Oct; 67 Suppl 2(): 73-9http://imsear.searo.who.int/handle/123456789/40914Chotmaihet Thangphaet.engAnesthesia, Obstetrical --adverse effectsAsphyxia Neonatorum --chemically inducedFemaleHumansInfant, NewbornMorphine --adverse effectsPregnancyRiskThailandJournal Article