@article { author = {Mehrad, J. and Dehghani, L.}, title = {A survey on free versions of PubMed and Infotrieve and comparing them with the commericial versions of Ebsco and FirstSearch of Medline Database}, journal = {Librarianship and Information Organization Studies}, volume = {17}, number = {4}, pages = {63-78}, year = {2007}, publisher = {National Library and Archives of Islamic Republic of Iran}, issn = {2783-4646}, eissn = {2783-4646}, doi = {}, abstract = {}, keywords = {Medline,database,User interface,EBSCO,PubMed,FirstSearch,Infotrieve}, title_fa = {بررسی و مقایسه نسخه‌های رایگان Infotrieve و PubMed با نسخه‌های تجاری Ebsco و FirstSearch یایگاه اطلاعاتی مدلاین}, abstract_fa = {}, keywords_fa = {مدلاین,پایگاه اطلاعاتی,رابط کاربر,EBSCO,PubMed,FirstSearch,Infotrieve}, url = {https://nastinfo.nlai.ir/article_494.html}, eprint = {https://nastinfo.nlai.ir/article_494_998d1a02c3a1f0944d58b46ce5c8dd29.pdf} }