The chemical composition of the Volpar contraceptive products. Part 2, Vehicles for phenyl mercuric acetate / by John R. Baker, R.M. Ranson and J. Tynen.

The chemical composition of the Volpar contraceptive products. Part 1, Phenyl mercuric acetate as a spermicide / by John R. Baker, R.M. Ranson and J. Tynen.

From January 2026 Wellcome Collection will close at 18.00 on Thursdays.

We're running paid user research studies to improve Wellcome Collection online