By Hewitt David J   in Respiratory Care

ISSN:0020-1324|56|8|1188-1194

The Journal Respiratory Care Company‎(2011)‎

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By Rothman Margaret   Vallow Sue   Damaraju C. V.   Hewitt David J.   in Current Medical Research and Opinion

ISSN:1473-4877|25|6|1433-1443

Informa Healthcare‎(2009)‎

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By Freeman Roy   Raskin Philip   Hewitt David J.   Vorsanger Gary J.   Jordan Donna M.   Xiang Jim   Rosenthal Norman R.     in Current Medical Research and Opinion

ISSN:1473-4877|23|1|147-161

Informa Healthcare‎(2007)‎

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