_dta: 1. by Jean Roth , jroth@nber.org , 19 Nov 2015 2. Source: 2008/20081203/applicat.txt 3. MAY OCCUR MORE THAN ONCE PER LISTING SEQ NO. listing_seq_no: 1. LISTING_SEQ_NO NOT NULL NUM(7) COL:1-7 2. Linking field to LISTINGS. appl_no: 1. APPL_NO NULL CHAR(6) COL:9-14 2. Number of New Drug Application if applicable. If none has been provided by the firm then the value ‘Other’ is used. prod_no: 1. PROD_NO NULL CHAR(3) COL:16-18 2. Number used to identify the products of a New Drug Application. obs: 70,287 vars: 3 19 Nov 2015 11:16 size: 913,731 (_dta has notes) --------------------------------------------------------------------------------------------------------- storage display value variable name type format label variable label --------------------------------------------------------------------------------------------------------- listing_seq_no long %12.0g * FDA generated unique identification number for each product appl_no str6 %9s * Number of New Drug Application if applicable prod_no str3 %9s * Number used to identify the products of a New Drug Application * indicated variables have notes --------------------------------------------------------------------------------------------------------- Sorted by: listing_seq_no appl_no prod_no