Pedrajas, J. A. B. (2020). Health expert: Impact study needed to assess suitability of pneumonia vaccine for PH. Manila Bulletin.
芝加哥风格引文Pedrajas, Joseph Almer B. "Health Expert: Impact Study Needed to Assess Suitability of Pneumonia Vaccine for PH." Manila Bulletin 2020.
MLA引文Pedrajas, Joseph Almer B. "Health Expert: Impact Study Needed to Assess Suitability of Pneumonia Vaccine for PH." Manila Bulletin, 2020.
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