Cover title.
"Instructional Services Division, Center for Professional Development and Training, Centers for Disease Control"--T.p. verso.
"Health Analysis and Planning for Prevention Services, Center for Prevention Services"--T.p. verso.
"Statistical Serices, Immunization Division, Center for Prevention S-
"Reprinted May 1980"--T.p. verso.
Microfiche. [Atlanta? Ga. : s.n., 1981?]. 1 microfiche : negative ; 11 x 15 cm.