@BOOK{ Book!D - 90086023,
AUTHOR = " Robert Steffen",
TITLE = "Travel Medicine Proceedings of the First Conference on International Travel Medicine, Zürich, Switzerland, 5-8 April 1988",
LIBRARY= "کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "",
URL = "/book/90086023/Travel-Medicine-Proceedings-of-the-First-Conferenc/"}