There is the song "Zoon Part 3" (1996) by Nefilim (singer of Fields of the Nephilim) in the middle of the song is a small reversed sound clip in one channel. It sounds like a scientist's voice from an old movie:
Between each finger was a fold of skin, and the creature's skin was gray, and though its blood was red, it was totally not like human blood in composition.
I'm assuming it's a movie because other movie clips have been used in various songs. Does anyone recognize this line from a movie?