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Titles
- Calendar of activities for the National Advisory Council for 1967-19681
- Can We Keep Mars Clean?1
- Cell Biology1
- Chairs: An early 19th century invalid's chair with an adjustable back, opening sides and a footrest1
- Chairs: An early 19th century wheel chair with a pull out footrest1
- Cheap Vaccine Can Be Costly1
- Chemiczne środki ochrony roślin: zapobieganie zatruciom1
- Children of the new Africa1
- Christiaan Barnard at a conference on cardiac transplantation1
- Chromosomes and Crime1
- Clinical Tests Prove Benefits of Drugs in Schizophrenia1
- Collecting a drop of blood on a standard disc of blotting paper1
- Conference on cardiac transplantation with Christiaan Barnard and leading American proponents of heart transplantation1
- Conference registry [from Conference on Regional Medical Programs, January 1967]1
- Contamination of Mars1
- Crossbreeding is Nature's Device to Speed Evolution1
- Curbs on Human Engineering Can Create Thought Control1
- Cytochemical Studies of Planetary Microorganisms: Explorations in Exobiology1