David Schauer, DVM, PhD
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PII: S0016-5085(09)01256-6
doi:10.1053/j.gastro.2009.07.044
© 2009 AGA Institute. Published by Elsevier Inc. All rights reserved.
PII: S0016-5085(09)01256-6
doi:10.1053/j.gastro.2009.07.044
© 2009 AGA Institute. Published by Elsevier Inc. All rights reserved.