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APA Citation
Hayat, J., Gabieta-Somnez, S., Yazaki, E., Kang, J., Woodcock, A., Dettmar, P., Mabary, J., Knowles, C., & Sifrim, D. (n.d.). pTU-152 Pepsin In Saliva For The Diagnosis Of Gastro-esophageal Reflux Disease. Gut, 63, A105. http://access.bl.uk/ark:/81055/vdc_100137792523.0x000052