Pariyawateekul, P., Soonthornthum, T., Khuakoonratt, N., Suraseranivongse, V. and Vijaithum, K. 2011. Comparison of Cisplatin-gemcitabine and Cisplatin-paclitaxel Chemotherapy in Stage IVB. Vajira Medical Journal : Journal of Urban Medicine. 55, 2 (Dec. 2011), 157–165.