004450000a22001450004500003000900000005001700009100001600026245010200042050001200144264005300156300001000209041000800219650005000227650002200277PH-MaWHO20241108112210.01 aDavey, T.H.  aDavey and Lightbody's the control diseases in the tropics : a handbook for medical practitioners.  a4th ed.  aLondon : benglish Language Book Society,c1971.  a438p.  aeng  aCommunicable diseasesxPrevention and control  aTropical medicine