@base . a , , ; , , ; "PLoS clinical trials." ; ; ; "1555-5887" ; ; "1555-5887" ; ; "1555-5887" ; "PLoS clinical trials" , "PLoS clinical trials." ; ; "http://www.plosclinicaltrials.org" , "http://www.pubmedcentral.nih.gov/tocrender.fcgi?journal=423" , "http://bibpurl.oclc.org/web/24216" , "http://clinicaltrials.ploshubs.org/" , "http://bibpurl.oclc.org/web/24202" . . a . a , ; "PLoS clinical trials" . "England" . a ; . a ; "1555-5887" ; . a ; "1555-5887" ; . a ; ; "20210206221800.0"^^ ; ; .