This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
A case of the former kind, cured under the use of nitrate, is recorded (American Journal Medical Science, April, 1865, p. 485), but I am not aware of others. Fairly rapid recovery in six instances of mercurial palsy is reported by Sementini with doses of from 1/8 to 3 gr. daily (quoted by Dr. Waring).