KEEPING PUNCHCARD RECORDS IN A MASS IMMUNIZATION.
D000293:Adolescent; D002648:Child; D006801:Humans; D007223:Infant; D032541:Mass Vaccination; D008499:Medical Records; D011055:Poliovirus Vaccine, Oral; D011676:Punched-Card Systems; D013223:Statistics as Topic; D013714:Tennessee; D014611:Vaccination
D011055:Poliovirus Vaccine, Oral
ADOLESCENCE; CHILD; INFANT; MEDICAL RECORDS; POLIOVIRUS VACCINE, ORAL; PUNCHED-CARD SYSTEMS; STATISTICS; TENNESSEE; VACCINATION