T. SuvonnakoteW. ThitadilokR. AtisookMahidol University2018-02-272018-02-271986-12-01Journal of the Medical Association of Thailand. Vol.69, No.11 (1986), 575-580012522082-s2.0-0022911118https://repository.li.mahidol.ac.th/handle/123456789/9792Mahidol UniversityMedicinePain relief during labourArticleSCOPUS