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APA Citation
Castaneda, D., Azar, F. F., Pimentel, R. R., FACG, , Alemar, G., Hrelec, C., Ponsky, J., Erim, T., & Lara, L. L. (n.d.). s3236 Symptom Recurrence After a Cooperative Approach to Zenker's Diverticulum. American journal of gastroenterology, 115, S1694. http://access.bl.uk/ark:/81055/vdc_100168587747.0x000036