Symposium on Gas Chromatography in Biology and Medicine (1969 : London, England) Porter, Ruth. Ciba Foundation.

Symposium on Synthetic Peptides as Antigens (1985 : Ciba Foundation) Porter, Ruth. Whelan, Julie. Ciba Foundation.

Symposium on Molecular Biology of Egg Maturation ( 10-12 November 1982 : London) Porter, Ruth ed. Whelan, Julie ed.

Symposium on Abortion, medical progress and social implications ( 27-29 November 1984 : London) Porter, Ruth ed. O'Connor, Maeve ed.

Symposium on Mechanism of Alohol Damage in Uteror (: 25-22 September, 1983 : London) Porter, Ruth ed. O'Connor, Meave ed.

Symposium on Photoperiodic of Insect and Mollusan Hormones ( 12-14 July 1983 : London) Porter, Ruth ed. Collins, Geralyn M. ed.

Symposium on Brush Border Membranes eld at the Ciba Foundation ( 8-10 June 1982 : London) Porter, Ruth ed. Collins, Geralyn M. ed.

Symposium on Subtance P in the Nervous System ( 1-3 December 1981 : London) Porter, Ruth, ed. O'Connor, Maeve, ed.

Symposium on Substance P in the Nervous System (1981 : Ciba Foundation) Porter, Ruth. O'Connor, Maeve. Ciba Foundation.

Symposium on Metabolic Acidosis (1981 : Ciba Foundation) Porter, Ruth. Collins, Geralyn M. Ciba Foundation.

Symposium on the Outcome of Severe Damage to the Central Nervous System ( 1974 : London) Porter, Ruth, ed. Fitzsimons, David W., ed.

Symposium on Depression, Antidepressants, and Receptor Sensitivity (1985 : Ciba Foundation) Porter, Ruth. Bock, Gregory. Clark, Sarah. Ciba Foundation.