Loomis, M E <br/><br/>
Historical overview: comparison of nursing research classification systems.  [electronic resource] 

 -  American Nurses Association Publications  Mar 1993 
 - 1-9 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Review 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Meta-Analysis as Topic<br/>Nursing Research--classification<br/>United States<br/>United States Public Health Service