id,agency_id,docket_id,title,document_type,subtype,posted_date,posted_year,posted_month,comment_start_date,comment_end_date,last_modified,fr_doc_num,open_for_comment,withdrawn,object_id FDA-1975-N-0013-0004,FDA,FDA-1975-N-0013,"Acknowledgement Letter from FDA/DDM to Century Pharmaceuticals, Inc.",Other,Acknowledgement Letter/Receipt,2007-04-10T04:00:00Z,2007,4,,,2017-11-16T14:18:21Z,,0,0,09000064805c1dca