The breath of life, or, Mal-respiration, and its effects upon the enjoyments & life of man
The breath of life, or, Mal-respiration, and its effects upon the enjoyments & life of man
Subjects
Physiological aspectsMouth breathingSleep positionsRespirationIndians of North AmericaHealth and hygieneFacePhysiological aspects of RespirationPhysiological aspects of Mouth breathingPhysiological aspects of Sleep positions