By Heise R.   von Backström T. W.   in Journal of the American Helicopter Society

ISSN:2161-6027|55|1|12008-0

AHS International‎(2010)‎

Access to resources Favorite 8.010887

By Ramsey P. S.   Ogburn P. L.   Harris D. Y.   Heise R. H.   DiMarco C. S.   Ramin K. D.   in Journal of Maternal-Fetal and Neonatal Medicine

ISSN:1476-4954|13|4|250-253

Informa Healthcare‎(2003)‎

Access to resources Favorite 4.361863