All mesh descriptor classes according to the term introduced

Database: 
Statement: 
All mesh descriptors according to the term introduced $term$ (e.g. oxytocics).
Display a maximum of $number$ (e.g.100) results.
Query: 
select distinct * where { ?s<http://www.w3.org/1999/02/22-rdf-syntax-ns#type><http://bio2rdf.org/mesh_vocabulary:Descriptor> . ?s<http://www.w3.org/2000/01/rdf-schema#label>?label . ?label bif:contains "'??term'" . } Limit ??number