A.CALIS B.NSTL C.OCLC D.UNICAT
A.CBM B.NATURE C.MICROMEDEX D.MEDLINE
A.CBM B.維普科技期刊全文數(shù)據(jù)庫(kù) C.萬(wàn)方全文數(shù)據(jù)庫(kù) D.CNKI