• The effects of smoking on a high altitude population. (La Paz, Bolivia, 3600m or 12,200ft) 

      Spielvogel, Hilde; Aparicio, Octavio; Bellido, Diva; Galarza, Mario; Nallar, Nancy; Quintela, Aida; Peñaloza, Rosario; Tellez, Wilma; Vargas, Enrique; Villena, Mercedes (Tobacco and Health, 1990)
      Barometric pressure (PB) decreases with increasing a altitude. Since oxygen concentration is about 21% in the air of the whole atmosphere, its partial pressure is also 21% of PB. At the altitude of La Paz (3600)m or ...