“So we go back to May 1988, Plant City, Florida. A nurse…” — Perhaps It's You at 46:08

Perhaps It's You S6 Ep21: How Does Blood Work?

“So we go back to May 1988, Plant City, Florida. A nurse named Kathleen Belcher got an urgent call from her mother that Kathleen's stepfather was about to have surgery and needed several pints of blood. And they were seeing if he could get it from Kathleen and her sister. So during this discussion of blood types and…”