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<xml><bibliography><APA>Somchai Chintanachaiwatt. (1986) Incidence of lewis antigens in the northeastern part of Thailand. Mahidol University,:ม.ป.ท.</APA><Chicago>Somchai Chintanachaiwatt. 1986. Incidence of lewis antigens in the northeastern part of Thailand. ม.ป.ท.:Mahidol University,;</Chicago><MLA>Somchai Chintanachaiwatt.  Incidence of lewis antigens in the northeastern part of Thailand.  ม.ป.ท.:Mahidol University, 1986. Print.</MLA></bibliography></xml>
