By Hampson Neil B   Ecker Erika D   Scott Karen L   in Respiratory Care

ISSN:0020-1324|51|7|758-760

The Journal Respiratory Care Company‎(2006)‎

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By Lustyk Mary Katleen B.   Widman Laura   Paschane Amy   Ecker Erika   in Women & Health

ISSN:0363-0242|39|3|35-44

Haworth Press‎(2004)‎

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