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<xml><bibliography><APA>Pongsathon Premratanachai และ Santi Tip-pyang. (2012) Chemical constituents from the stem bark of Erythrina stricta and E. subumbrans and anticancer activity. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Pongsathon Premratanachai และ Santi Tip-pyang. 2012. Chemical constituents from the stem bark of Erythrina stricta and E. subumbrans and anticancer activity. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Pongsathon Premratanachai และ Santi Tip-pyang.  Chemical constituents from the stem bark of Erythrina stricta and E. subumbrans and anticancer activity.  ม.ป.ท.:Chulalongkorn University, 2012. Print.</MLA></bibliography></xml>
