@article{ref1, title=""... In comes the good air" Part I. Rise and fall of the Schäfer method", journal="American review of respiratory disease", year="1979", author="Comroe, J. H. Jr", volume="119", number="5", pages="803-806", abstract="

[Abstract unavailable]

Language: en

", language="en", issn="0003-0805", doi="", url="http://dx.doi.org/" }