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Fix, J.A., Cargill, R. & Engle, K. Controlled Gastric Emptying. III. Gastric Residence Time of a Nondisintegrating Geometric Shape in Human Volunteers. Pharm Res 10, 1087–1089 (1993). https://doi.org/10.1023/A:1018939512213
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DOI: https://doi.org/10.1023/A:1018939512213