51. Machines of Modern Medicine Subject(s): Equipment and SuppliesPhysiciansX-RaysWorld Health Organization
52. The ravages of sleeping sickness (trypanosomiasis): another disease that is increasing its hold because health workers are lacking Subject(s): World Health Organization
53. Ampoules are sealed by a special machine which melts the top of the glass tubes to close it. The technicians wear a surgical gown, mask and have to ensure tha they do not contaminate the sera Subject(s): World Health Organization
56. Letter from Pierre J. Capelle to Joshua Lederberg Publication: Produced: 23 October 1961 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
57. Letter from R. Castaing to Joshua Lederberg Publication: Produced: 7 January 1963 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
58. Letter from Jacques Monod to Joshua Lederberg Publication: Produced: 23 October 1969 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
59. Letter from A. I. Oparin to Joshua Lederberg Publication: Produced: 29 December 1962 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
60. Letter from Jean Sutter, Institut National D'Etudes Demographiques to Joshua Lederberg Publication: Produced: 17 July 1964 Archival Collection: The Joshua Lederberg Papers (Profiles in Science)
