It requires the combination of mercury and salvarsan to secure the highest percentage of good results.
Salvarsan can be given to even very small babies, and mercury also is employed with excellent results.
The shortage of arsphenamin (salvarsan) has made the sale of substitutes a profitable business.
The intervals of rest between courses of salvarsan and mercury are short.
To make the giving of salvarsan safe, the judgment, experience, and training of the specialist are not too much to ask.