If a pain supervenes the hold must be retained, and whatever gain has been made must be held if possible.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
If the dose is large enough, a second stage sometimes supervenes, in which the symptoms are those of congestion of the brain.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
The lower extremities feel unnaturally heavy and a paretic condition of the muscles supervenes simultaneously on both sides.
"On Snake-Poison: its Action and its Antidote"
A. Mueller