מחבר
Cuba. Dirección de Demografía
2
Norway. Statistisk sentralbyrå
2
Haryana (India). Health Intelligence Bureau
1
India. Vital Statistics Division
1
India. Vital Statistics Division. Model Registration Unit
1
Instituto de Demografía y Censos (Cuba)
1
National Health Statistics Centre (N.Z.)
1
New Zealand Health Information Service
1
New Zealand. Dept. of Health
1