Wells WF (November 1934). “On Air-Borne Infection”. American Journal of Epidemiology. 20 (3): 611-618. doi:10.1093/oxfordjournals.aje.a118097. Flügge C. “Ueber luftinfection”. Zeitschrift für Hygiene und Infektionskrankheiten. Hart D (1936-10-01). “Sterilization of the Air within the Working Room by Particular Bactericidal Radiant Vitality: Outcomes of Its Use in Extrapleural Thoracoplasties”. Journal of Thoracic Surgery. Hart D (March 1960).… Continue reading The Insider Secrets and Techniques For Types Of Holistic Health Practitioners Uncovered