Kelkar, Prabhakar2012-06-152012-06-152012-06-15http://dspace.vpmthane.org:8080/jspui/handle/123456789/2790enPatent - A process for the synthesis of 1-(9-acridyl) -4-substituted and 4,4-disubstituted piperidines as tubal occluding agentsArticle