Vital and health statistics: Series 12, Data from National Health Survey. 1. Institutions for aged and chronically ill, United States, Apr.-June 1963, statistics on number and types of institutions for aged according to whether round-the-clock nursing service is provided, type of nurse in charge of nursing care, admission policies, and charges for care of residents, based on data collected from Institutions during period Apr.-June 1963; [by E. Earl Bryant].