title: Criteria for design of the mercury environmental control system, method of operation and results of manned system operation. Aerosp Med 1961; 32:839-43.
authors.forename: Mark R
authors.initials: MR
authors.lastname: Campbell
mesh_terms: D018504:Ecological Systems, Closed; D049673:History, 20th Century; D006801:Humans; D013026:Space Flight / Q000266:history*; D018531:Spacecraft