平台:
EBSCOhost Academic Search Complete
(Available from 2002/03/01 until 2002/12/31.)
EBSCOhost STM Source
(Available from 2002/03/01 until 2002/12/31.)
PubMed Central Open Access
(Available from 1990 volume: 1 until 2002 volume: 9.)
EBSCOhost Academic Search Complete
(Available from 2002/03/01 until 2002/12/31.)
EBSCOhost STM Source
(Available from 2002/03/01 until 2002/12/31.)
PubMed Central Open Access
(Available from 1990 volume: 1 until 2002 volume: 9.)