- NLM Digital Collections - Physiology of flight : human factors in the operation of military aircraftPublication: Washington, D.C. : Army Air Forces, 20 November 1946... of the airplane. Deciding to bail out, I turned the emergency valve of my oxygen regulator so that I would be breathing pure oxygen until I left the ship, freed the canopy of the cockpit, and unbuckled my safety belt. I did not attempt to level off ...
- NLM Digital Collections - Review of intramural research (1959)Publication: [Bethesda, Md.] : U.S. Dept. of Health, Education, and Welfare, Public Health Service, National Institutes of Health... Committee on Live Poliovirus Vaccines, the Division has turned its attention to such mat- ters as the virulence of candidate strains and the conditions for the conduct of the various tissue- culture and serological tests needed to assure safety and potency. A continuing problem for the Division ...
- NLM Digital Collections - The Health Consequences of Smoking, A Public Health Service Review (pages 176-199)Publication: United States. Public Health Service. Office of the Surgeon General, 1967... this that a number of investi- gators have turned toward trying to distinguish subgroups of smokers, as well as toward developing more unifying concepts. These efforts are part of the attempt to obtain greater insight into the dynamics of smoking and develop more powerful predictive instruments. ...
- NLM Digital Collections - The Health Consequences of Smoking, A Public Health Service ReviewPublication: United States. Public Health Service. Office of the Surgeon General, 1967... this that a number of investi- gators have turned toward trying to distinguish subgroups of smokers, as well as toward developing more unifying concepts. These efforts are part of the attempt to obtain greater insight into the dynamics of smoking and develop more powerful predictive instruments. ...
- NLM Digital Collections - Chemical warfare agents and related chemical problems (Parts 1-2)Publication: Washington, D.C. : Office of Scientific Research and Development, National Defense Research Committe, Division 9, 1946... upwards from the cup, was attached to a safety flask and a charcoal column ... bulb, and the stopcock is turned so that the vertical arm is con- nected ...
- NLM Digital Collections - A text-book of operative dentistryPublication: Philadelphia : P. Blakiston's Son & Co., [1923]... by the central screw when the nuts are turned up against the central tube. The divided arch is useful only in extreme cases of lateral development in adult cases and in opening the maxillary suture. Fig. 677.—Dynamics of the ribbon arch. Dynamics of the Angle ...
- NLM Digital Collections - The science and art of surgery: being a treatise on surgical injuries, diseases, and ...Publication: Philadelphia : H.C. Lea, 1881... 250 GUN-SHOT WOUNDS. a slender, hope of safety to the patient, and should accordingly be prac- tised. With this view the wound must be laid freely open, loose frag- ments extracted, and the upper end of the bone detached, turned out, and sawn off. Of six cases in ...
- NLM Digital Collections - Fownes' manual of chemistry, theoretical and practicalPublication: Philadelphia : Lea Brothers & Co., 1885... Currents—Ampere’s Theory of Mag- netism 127 Electro-dynamic ... Wash-bottle—Safety-tube 139 Bromine 140 Hydrogen Bromide or Hydrobromic ...
- ... Coronary arteriography in a district general hospital: feasibility, safety, ... of radiotherapy department dynamics. Doswell J, et al. Can J Med Radiat ...
- ... for in the human soul, and in its dynamic tenden- cies. If it be pretended ... study must be turned into an abstract study, an entity substituted for ...
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