中国科学技术信息研究所--国家工程技术数字图书馆

colorado state university.(5)

university of toronto (canada).(5)

university of california los angeles.(4)

university of michigan.(4)

university of london university college london (united kingdom).(2)

university of pennsylvania.(2)

yale university(2)

bayerische julius-maximilians-universitaet wuerzburg (germany).(1)

boston university.(1)

carleton university (canada)(1)

duke university.(1)

icahn school of medicine at mount sinai.(1)

mcmaster university (canada).(1)

northwestern university.(1)

ohio university(1)

rice university.(1)

tennessee state university.(1)

the johns hopkins university(1)

the university of texas at arlington.(1)

the university of texas health science center at houston graduate school of biomedical sciences.(1)

the university of wisconsin - madison(1)

the university of wisconsin - madison.(1)

universite de sherbrooke (canada).(1)

university of california davis.(1)

university of georgia.(1)

university of maryland baltimore.(1)

university of nebraska medical center.(1)

university of nevada las vegas.(1)

university of ottawa (canada).(1)

university of pittsburgh.(1)