Manual of Gastroenterology: Diagnosis and Therapy
PII: S0016-5085(09)01014-2
doi:10.1053/j.gastro.2009.06.035
© 2009 AGA Institute. Published by Elsevier Inc. All rights reserved.
PII: S0016-5085(09)01014-2
doi:10.1053/j.gastro.2009.06.035
© 2009 AGA Institute. Published by Elsevier Inc. All rights reserved.