Issued Nov. 1965-Dec. 1970 as Public Health Service publication no. 1000, series 20, no. 1-8; Dec. 1970 as DHEW publication No. (HRA) 70-1296; Sept. 1971-June 1972 as DHEW publication no. (HSM) 72-1008, etc.; Sept. 1973- as DHEW publication no. (HRA) 74-1851, etc.