Lo que usted debe saber sobre los gases = What you need to know about gases.

Bibliographic Details
Format: Government Document eBook
Language:Spanish
Published: Bethesda, Maryland : U.S. Department of Health & Human Services, National Institutes of Health, National Institute of Diabetes and Digestive and Kidney Diseases, National Digestive Diseases Information Clearinghouse, 2011.
Series:NIH publication ; no. 12-4156 S.
Subjects:
Online Access:https://purl.fdlp.gov/GPO/gpo49854
Description
Item Description:Title from title screen (viewed June 11, 2014).
"Diciembre 2011."
Physical Description:1 online resource (14 pages) : illustrations.