Comprised of the following:
PP/PCG/D/90/1: Dr H William, Raigmore Hospital, Inverness, 1978
PP/PCG/D/90/2-6: Dr P Williams, Cientro de Pesquisas 'Rene Rachou', Belo Horizante, Brazil, 1976-1977
PP/PCG/D/90/7-8: Dr R Williams, Kings' College Hospital, 1976
PP/PCG/D/90/9: Professor R E O Williams, Public Health Laboratory Service, 1976
PP/PCG/D/90/10-31: World Health Organisation: Scientific Working Group on Malaria TDR, 1978
PP/PCG/D/90/32-41: Yap Loy Fong, Institute of Medical Research Kula Lampur, Malaysia, 1976-1977
PP/PCG/D/90/42-45: Professor S Yasoul, Eze University, Izmir, Turkey, 1976-1977
PP/PCG/D/90/46-50: Dr D G Young, University of Florida, 1976-1977
PP/PCG/D/90/51: Dr A R Zahar, Geneva, 1977
PP/PCG/D/90/52-53: Professor D N Zasukhin, Moscow, 1977