006230000a22002170004500003000900000005001700009562001400026562001500040100001900055700001600074710007100090245006300161264006700224300001400291500003000305041000800335650002800343650000900371651001300380651001200393PH-MaWHO20241108112346.0 aWPRO-0153 aWPR/414/67 aBierdrager, J. aBuzo, Z. J. aWorld Health Organization. Regional Office for the Western Pacific 2aA health survey of the Lower Mekong Basin : summary report aManila : bWHO Regional Office for the Western Pacific,c1968. aii, 73 p. aAlso available in French. aeng aHealthsurveyszCambodia aLaos aThailand aVietnam