906771704897073656 8352 pcsubstance NCID_1_1132292_130.14.18.102_9001_1371607568_221139786 1 http://www.ncbi.nlm.nih.gov/sites/entrez?cmd=HistorySearch&WebEnvRq=1&hinit=true&db=pcsubstance&WebEnv=NCID_1_1132292_130.14.18.102_9001_1371607568_221139786&query_key=1