[1]
Chawanpaiboon, S., Sutantawibul, A., Pimol, K., Sirisomboon, R. and Worapitaksanond, S. 2009. Preliminary Study : Comparison of the Efficacy of Progesterone and Nifedipine in Inhibiting Threatened Preterm Labour in Siriraj Hospital. Thai Journal of Obstetrics and Gynaecology. 17, 1 (Jan. 2009), 23–29.