00738     2200229   4500001002100000005001500021035002000036008004100056245015400097100002400251260005000275300003400325084001400359520001600373082000800389650001400397650001400411650002100425700002200446700002700468990001300495INLIS00000000001263820221105040157  a0010-1118012638221105                g          0 eng  1 aEconomics and episodic disease :bThe benefits of preventing a giardiasis outbreak /cWinston Harrington; Alan J. Krupnick and Walter O. Spofford Jr.  aHARRINGTON, Winston  aWashington :bResources for the Future,c1991  axxi, 202 p. :bill. ;c24 cm.  a619 HAR e  aIncl. bibl.  a619 4aDIARRHOEA 4aEPIDERMIS 4aDISEASES CONTROL0 aKRUPNICK, Alan J.0 aSPOFFORD JR, Walter O.  a457/2001