RT Journal Article
SR Electronic
T1 Validation of sources of pertussis immunisation data.
JF Journal of Epidemiology and Community Health
JO J Epidemiol Community Health
FD BMJ Publishing Group Ltd
SP 309
OP 311
DO 10.1136/jech.34.4.309
VO 34
IS 4
A1 Williams, W O
A1 Dajda, R
YR 1980
UL http://jech.bmj.com/content/34/4/309.abstract
AB In this paper we describe the validation of three sources of immunisation data in a study of whooping cough in West Glamorgan. The least reliable source was that of the general practitioners and the best was that of the parents, but the area health authority source should be used in future studies provided that sufficient time is allowed for the relevant information to reach the computer.