By Loveland Katie   Kessler Anne   Helgerson Steven   Harwell Todd   in Journal of Asthma

ISSN:0277-0903|45|7|557-560

Informa Healthcare‎(2008)‎

Access to resources Favorite 9.578288

By Perkins Bobbi Jo   DeTienne Jim   Fitzgerald Kevin   Hill Mary   Harwell Todd   in Prehospital Emergency Care

ISSN:1090-3127|13|4|456-461

Informa Healthcare‎(2009)‎

Access to resources Favorite 7.66263

By Oser Carrie S.   McNamara Michael J.   Fogle Crystelle C.   Gohdes Dorothy   Helgerson Steven D.   Harwell Todd S.   in Prehospital Emergency Care

ISSN:1090-3127|14|2|259-264

Informa Healthcare‎(2010)‎

Access to resources Favorite 6.225791

By Vadheim Liane M.   Brewer Kari A.   Kassner Darcy R.   Vanderwood Karl K.   Hall Taryn O.   Butcher Marcene K.   Helgerson Steven D.   Harwell Todd S.   in The Journal of Rural Health

ISSN:0890-765x|26|3|266-272

Blackwell Publishing‎(2010)‎

Access to resources Favorite 5.2679625