Cystic fibrosis in South Africa: spectrum of disease and determinants of outcome oleh Marco Zampoli, Janine Verstraete, Marlize Frauendorf, Reshma Kassanjee, Lesley Workman, Brenda M. Morrow, Heather J. Zar, SACFR steering committee:, Fiona Kritzinger, Taryn Gray, Julie Morrison, Pierre Goussard, Greg Calligaro, Paul Wilcox, Tony Biebuyck, Susan Klugman, Cathy Baird, Siza Sezani, Steve Biko, Steve Biko, Carla Els, Dave Richar, Refiloe Masekela, Reratilwe Mphahlele, Graham Lawrence, Jonathan Egner, Paul Gebers