• Education for health improvement / by D. O'Byrne 

      O'Byrne, D; World Health Organization. Hereditary Diseases Programme; Joint WHO/ICF(‎MA Task Force on Cystic Fibrosis (‎1990 : Leningrad/Moscow, USSR)‎ (‎WHO/HDP/ICF(‎M)‎A/TF/90.4.WP.8. Unpublished, 1990)‎