Sitaphaisith Ekachampaka. 1994. Some characteristics of a protein-coated ODS column and its use for the determination of drugs by the direct injection analysis of plasma samples. Faculty of Graduate Studies, Mahidol University;
Sitaphaisith Ekachampaka. (1994) Some characteristics of a protein-coated ODS column and its use for the determination of drugs by the direct injection analysis of plasma samples . Mahidol University/Bangkok.
Sitaphaisith Ekachampaka. Some characteristics of a protein-coated ODS column and its use for the determination of drugs by the direct injection analysis of plasma samples. . Bangkok:Mahidol University, 1994.
Sitaphaisith Ekachampaka. (1994) Some characteristics of a protein-coated ODS column and its use for the determination of drugs by the direct injection analysis of plasma samples . Mahidol University/Bangkok.