Bloomberg. (2021). J & J vaccine provides strong shield against severe COVID. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBloomberg. "J & J Vaccine Provides Strong Shield Against Severe COVID." Manila Bulletin 2021.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBloomberg. "J & J Vaccine Provides Strong Shield Against Severe COVID." Manila Bulletin, 2021.
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