Search Results       Your search for [author]Essen, Eric Jan Van. returned 1 record.           Epidural clonidine as a postoperative analgesic. by Essen, Eric Jan Van.; Gravenhage: Pasmans Offsedrukkerij Bv., 1994. Subject: Analgesic; Clonidine.          Add to Book Cart Relevance: 29.93%