PT  - JOURNAL ARTICLE
AU  - Mutch, L M
AU  - Johnson, M A
AU  - Morley, R
TI  - Follow up studies: design, organisation, and analysis.
AID  - 10.1136/adc.64.10_Spec_No.1394
DP  - 1989 Oct 01
TA  - Archives of Disease in Childhood
PG  - 1394--1402
VI  - 64
IP  - 10 Spec No
4099  - http://adc.bmj.com/content/64/10_Spec_No/1394.short
4100  - http://adc.bmj.com/content/64/10_Spec_No/1394.full
SO  - Arch Dis Child1989 Oct 01; 64