https://eprints.whiterose.ac.uk/id/eprint/499/
Sedimentology and kinematics of a large, retrogressive growth-fault system in Upper Carboniferous...
https://scholarworks.uni.edu/pias/vol38/iss1/104/
"Retrogressive Changes in the Ovaries of Rana clamitans Tadpoles follow" by William T. Levine
The ovaries of Rana clamitans larvae show marked degenerative changes after x-ray treatment with lethal doses. These animals live from three to four weeks...
https://microcosmos.foldscope.com/post/transfer_178424
Retrogressive cystic changes-endometrium
cysticchangesendometrium