| <!DOCTYPE report [ | |
| <!ELEMENT report (section*)> | |
| <!ELEMENT section (section.title, section.content)> | |
| <!ELEMENT section.title (#PCDATA )> | |
| <!ELEMENT section.content (#PCDATA | anesthesia | prep | |
| | incision | action | observation )*> | |
| <!ELEMENT anesthesia (#PCDATA)> | |
| <!ELEMENT prep ( (#PCDATA | action)* )> | |
| <!ELEMENT incision ( (#PCDATA | geography | instrument)* )> | |
| <!ELEMENT action ( (#PCDATA | instrument )* )> | |
| <!ELEMENT observation (#PCDATA)> | |
| <!ELEMENT geography (#PCDATA)> | |
| <!ELEMENT instrument (#PCDATA)> | |
| ]> |