00615nas a2200253   4500000000100000008004100001260001300042653001800055653003300073653003100106653001100137653001100148653001400159653001200173653001200185653002300197653001100220653002200231100001700253245006000270300001000330490000700340022001400347       1970                            d  c1970 May10aCarrier State10aCommunicable Disease Control10aEmigration and Immigration10aEurope10aHumans10aInfection10aleprosy10aMalaria10aParasitic Diseases10aTravel10aTropical Medicine1 aJANSSENS P G00a[Tropical disease brought by travelers and immigrants].  a361-90 v50  a0068-3027