[surroundedbyblue]

https://cogforlife.org/2021/05/12/lets-get-a-few-things-cleared-up-testing-cell-lines-and-fetal-tissue/

https://takingrecourse.com/dr-paul-casey-md-the-everything-was-tested-on-hek-lie/

These two articles link many sources that will satisfy your question. If you continue to insist on your initial premise, then you are choosing to remain blind.

[surroundedbyblue]

Same article at different site. Lots of citations throughout

https://catholicfamilynews.com/blog/2021/12/09/the-everything-was-tested-on-hek-lie/