http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
International classification of procedures in medicine
Τ.1. Procedures for medical diagnosis -- laboratory procedures -- preventive procedures -- surgical procedures -- other therapeutic procedures -- ancillary procedures.
Published for trial purposes in accordance with resolution WHA29.35 of the Twenty-ninth World Health Assembly, May 1976.