Nicholas J. WhiteMahidol University2018-02-272018-02-271994-10-29The Lancet. Vol.344, No.8931 (1994), 1172-1173014067362-s2.0-0027939386https://repository.li.mahidol.ac.th/handle/20.500.14594/9630Mahidol UniversityMedicineArticleSCOPUS10.1016/S0140-6736(94)90502-9