RT Journal Article SR Electronic T1 THE NEW YORK INSTITUTE FOR HOSPITAL ADMINISTRATORS JF Science JO Science FD American Association for the Advancement of Science SP 576 OP 576 DO 10.1126/science.89.2321.576 VO 89 IS 2321 YR 1939 UL http://science.sciencemag.org/content/89/2321/576.1.abstract AB