“All Dwellers at High Altitude Are Persons of Impaired Physical and Mental Powers”

Barcroft J . The Respiratory Function of the Blood. Part I. Lessons from High Altitudes. Cambridge University Press: Cambridge, 1925

Monge-M C. Acclimatization in the Andes: Historical Confirmations of ‘Climatic Aggression’ in the Development of Andean Man. Johns Hopkins University Press: Baltimore, MD, 1948.