Comprised of the following:
PP/PCG/D/87/1-2: Dr M A Siddiqi, Saudi Arabia, 1976
PP/PCG/D/87/3-6: Dr W A Siddiqi, University of Hawaii, 1977-1978
PP/PCG/D/87/7: Dr E Simons, Duke University, 1977
PP/PCG/D/87/8-9: Dr R.E. Sinden, Medical Research Council Laboratories, The Gambia, 1978
PP/PCG/D/87/10-22: Dr B N Singh, Central Drug Research Institute, Lucknow, 1976-1978
PP/PCG/D/87/23: Mme D Sivalic, Belgrade, 1977
PP/PCG/D/87/24-25: Dr R R L Soares, Rio de Janiero, 1977
PP/PCG/D/87/26-27: Song Cheow Yong, Universiti Pertanian, Malaysia, 1976
PP/PCG/D/87/28-31: Professor E J L Soulsby, University of Pennsylvania, 1977
PP/PCG/D/87/32-34: Dr V R Southgate, British Museum (Natural History), 1977
PP/PCG/D/87/35-36: Professor R L Squibb, Rutgers University, 1977
PP/PCG/D/87/37-42: L-Cdr E E Stafford, Armed Forces Institute of Pathology, Washington DC, 1977
PP/PCG/D/87/43-48: Air-Vice-Marshall W P Stamm, London, 1976-1978