Deivanayagam, N., Nedunchelian, K., Ahamed, S. S., & Rathnam, S. R. (1993). Clinical efficacy of trivalent oral poliomyelitis vaccine: A case-control study. World Health Organization.
শিকাগো স্টাইলে সাইটেশনDeivanayagam, N., K. Nedunchelian, S. S. Ahamed, এবং S. R. Rathnam. Clinical Efficacy of Trivalent Oral Poliomyelitis Vaccine: A Case-control Study. World Health Organization, 1993.
এমএলএ সাইটেশনDeivanayagam, N., K. Nedunchelian, S. S. Ahamed, এবং S. R. Rathnam. Clinical Efficacy of Trivalent Oral Poliomyelitis Vaccine: A Case-control Study. World Health Organization, 1993.
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