Protacio, A. L. (1997). Bangungot still an enigma. IN Doctor's corner [column]. Philippine Daily Inquirer.
Chicago Style aipamenaProtacio, Antonio L. "Bangungot Still an Enigma. IN Doctor's Corner [column]." Philippine Daily Inquirer 1997.
MLA aipamenaProtacio, Antonio L. "Bangungot Still an Enigma. IN Doctor's Corner [column]." Philippine Daily Inquirer, 1997.
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