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<xml><bibliography><APA>Pornhatai Klaisit. (1994) Pharmacokinetics and bioavailability studies of metoprolol in healthy Thai. Mahidol University,:ม.ป.ท.</APA><Chicago>Pornhatai Klaisit. 1994. Pharmacokinetics and bioavailability studies of metoprolol in healthy Thai. ม.ป.ท.:Mahidol University,;</Chicago><MLA>Pornhatai Klaisit.  Pharmacokinetics and bioavailability studies of metoprolol in healthy Thai.  ม.ป.ท.:Mahidol University, 1994. Print.</MLA></bibliography></xml>
