There are other articles describing horrific incidents:

"In two separate incidents, experimenters used an unapproved adhesive called BioGlue to fill holes in the animals’ skulls, which seeped through to the monkeys’ brains. In one monkey, the use of BioGlue caused bleeding in her brain, and she vomited so much from the resulting side effects that she developed open sores in her esophagus."

https://www.businesswire.com/news/home/20220926005606/en/Phy...