
| Element | ani:author-keywords | 
<xs:element name="author-keyword"> <xs:complexType mixed="true"> <xs:group minOccurs="0" maxOccurs="unbounded" ref="ani:richstring.data"/> </xs:complexType> </xs:element>  | 
                           
| 
                                     < author-keywords xmlns = "http://www.elsevier.com/xml/ani/ani" >  | 
                              
| 
                                     Hepatectomy  | 
                              
| 
                                     </ author-keyword>  | 
                              
| 
                                     Laparoscopy  | 
                              
| 
                                     </ author-keyword>  | 
                              
| 
                                     Liver cancer  | 
                              
| 
                                     </ author-keyword>  | 
                              
| 
                                     </ author-keywords>  |