1. The surgery of infancy;Nicoll;Br Med J,1909
2. The down-town anesthesia clinic;Waters;Am J Surg (Anesth Suppl),1919
3. Anesthesia for outpatient surgery;Cohen;J Am Med Assoc,1966
4. Survey of “in and out” surgery—First year;Levy;South Med J,1968
5. The surgicenter: an innovation in the delivery of medical care;Ford;Ariz Med,1969