By Gálvez Cesar Augusto   Modeste Naomi   Lee Jerry W.   Betancourt Hector   Wilkins Robert L.   in Revista Panamericana de Salud Pública/Pan American Journal of Public Health

ISSN:1020-4989|11|2|99-108

Pan American Health Organization (PAHO)‎(2002)‎

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By Wilkins Robert L   in Respiratory Care

ISSN:0020-1324|49|12|1488-1489

The Journal Respiratory Care Company‎(2004)‎

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By Wettstein Richard B   Wilkins Robert L   Gardner Donna D   Restrepo Ruben D   in Respiratory Care

ISSN:0020-1324|56|3|284-289

The Journal Respiratory Care Company‎(2011)‎

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