Chera-aree, P., Chayachinda, C., Niyomnaitham, S. and Kamolvit, W. 2018. Cefoxitin Plus Doxycycline Versus Clindamycin Plus Gentamicin in Hospitalized Pelvic Inflammatory Disease Patients: An Experience from A Tertiary Hospital. Siriraj Medical Journal. 70, 6 (Dec. 2018), 479–483.