00782nas a2200313   4500000000100000008004100001260001300042653001100055653001200066653002200078653002200100653001700122653002700139653002500166653001100191653001200202653001200214653001200226653001900238653002000257653001300277653002100290653002900311100001200340245008400352300001100436490000700447022001400454       1974                            d  c1974 Oct10aAfrica10aAnimals10aDisease Outbreaks10aDysentery, Amebic10aEncephalitis10aEnvironmental Exposure10aEnvironmental Health10aHumans10aHygiene10aleprosy10aMalaria10aonchocerciasis10aschistosomiasis10aTrachoma10aTropical Climate10aTrypanosomiasis, African1 aGeigy R00a[Climatic and hygienic environmental effects on man and animal in the tropics].  a186-930 v30  a0036-7494