Immunisation status of children in Port Harcourt before and after commencing the expanded programme on immunisation

Oruamabo, R.S.; Okoji, G.O.

Public Health 101(6): 447-452

1987


ISSN/ISBN: 0033-3506
PMID: 3423191
DOI: 10.1016/s0033-3506(87)80007-0
Document Number: 498999

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