DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.1109/PEDS.2007.4487873 10.1109 20090928 2017-06-18 0 10.1109/PEDS.2007.4487819 10.1109 20090928 2017-06-18 1 10.1109/PEDS.2007.4487900 10.1109 20090928 2017-06-18 0 10.1109/PEDS.2007.4487777 10.1109 20090928 2017-06-18 1