http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Enfoque médico quirúrgico durante la pandemia Covid-19
1 online resource : illustrations, photographs.
Juan Carlos Salamea Molina, Miguel Ángel Moyón Constante, David Esteban Barzallo Sánchez, compiladores.