This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Tonga, Premna Taitensis. The fluidextract, in 30 to 60 I. doses, has given good results in the treatment of neuralgia.