ABSTRACT
ArabsbutnoneinThai,Indonesians,orChinese.Thus,theysuggestedthattheprobable epicenteroftheantigenmightbetheMiddleEastratherthanIndia.
In1963,anantibodytoahigh-frequencyantigen(Salis)wasfoundinatransfusedpatient fromPakistan(5).Later,twoadditionalexampleswereidentifiedinantenatalsamples.All threeantibodyproducerswereInapositive,andfamilystudiesdemonstratedtheantithetical relationshipbetweentheSalisantibodyandanti-Ina.Althoughpopulationtestswerenever reportedusinganti-lob,thecalculatedgenefrequenciesforInaandlobare0.037and0.963, respectively.