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Endoscopy for upper gastrointestinal bleeding in a tertiary hospital in Kaduna, North-West Nigeria: Experience and findings |
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| | Husain Yahya, Halima Umar, BulusTimothy Shekari, Kalli Sani | | | Annals of African Medicine. 2022; 21(3): 262 | | | [Pubmed] [Google Scholar] [DOI] | |
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