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They became friends, influenced each others works, and collaborated on works together
van Schoor et al., 2008
Inhalation Airflow Resistance (without filter) 30 l/min 0.5 mbar 90 l/min 2.5 mbar 160 l/min 3.5 mbar Exhalation Airflow Resistance (without filter) 160 l/min 3.0 mbar
Informed consent was obtained from all adult participants in the study, and assent from all adolescents
The U.K., France, and Russia are the major revenue-generating countries here
