1. Blood transfusion in developing countries: problems and progress;Leikola;Vox Sang.,1984
2. 2 Leikola, J. How much blood for the world? Proc. 21 st Congr. ISH and 19th Congr. ISBT, 1986, p. 207.
3. 3 World health statistics annual - Annuaire de statistiques sanitaires mondiales (World Health Organization, Geneva 1983).
4. 4 Barker, L.F. ; Perrault, R. Personal communication.
5. Spotlight: USSR;Leikola;Transf. int.,1986