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APA Citation
Wickramasinghe, D., Almeida, I., De Silva, C., & Samarasekera, N. (n.d.). types and patterns of gastrointestinal (GI) polyps encountered in oesophago-gastro-duodenoscopy at a tertiary care center. European journal of cancer, 72, S74–. http://access.bl.uk/ark:/81055/vdc_100041522134.0x00001e