Another word for injections

In amoebic dysentery, warm injections of quinine per rectum have proved very efficacious, are usually well tolerated, and are not attended with any ill effects.

The pain can be lessened by injections of morphia.

No one can tell the physical difference until the injections wear off.

And there is nothing hidden in these injections that will alert your kind?

In order that the immunity may reach a high degree, either the bacterium in a very virulent state or a large dose of toxin must ultimately be used in the injections.