Author
Ontario. Department of Health
3
Provincial Board of Health of Ontario
2
Southern Rhodesia. Dept. of Health
2
Sri Lanka. Saukhya Amātyāṃśaya. Planning Division
2
Ethnikē Statistikē Hypēresia tēs Hellados
1
Manitoba Health Services Commission
1
Manitoba. Dept. of Health and Social Services
1
Manitoba. Manitoba Health
1
National Institute of Health and Family Welfare (India)
1
Ontario. Ministry of Health
1
Peru. Dirección de Salubridad Pública
1