Media type: E-Article Title: Heavy Metals Removal from Swine Wastewater Using Constructed Wetlands with Horizontal Sub-Surface Flow Contributor: Cortes-Esquivel, Jorge A.; Giácoman-Vallejos, Germán; Barceló-Quintal, Icela D.; Méndez-Novelo, Roger; Ponce-Caballero, María C. imprint: Scientific Research Publishing, Inc., 2012 Published in: Journal of Environmental Protection Language: Not determined DOI: 10.4236/jep.2012.328102 ISSN: 2152-2197; 2152-2219 Origination: Footnote: Access State: Open Access