Scientists complete head transplant on a RAT in China

Researchers from Harbin Medical University in China and controversial neurosurgeon Sergio Canavero attached heads of smaller rats onto backs of larger ones, creating two-headed animals.

The Untold Story of the World's First Monkey Face Transplant - Atlas Obscura

Scientists Grow Mouse Pancreas Inside a Rat

What Would Head or Partial Brain Transplants Do To Consciousness?

Surgery's Far Frontier: Head Transplants - WSJ

Maturation and circuit integration of transplanted human cortical organoids

Scientists Grow Kidneys Containing Human Cells in Pig Embryos

Chimeras: Scientists have created human-monkey embryonic cells - BBC Science Focus Magazine

Human organs grown in pigs may help transplant patients

Lab-grown hair cells to treat baldness could be on the way

Kidneys grown in rats could pave way for human transplant options - CGTN

China Is Looking to Gene-Edit Animals to Grow Organs for Humans - Bloomberg