The first project was to produce a three - dimensional model of a newborn baby 's brain stem which became the focus of the textbook published in 1901 ( Sabin 1901 ) .
The textbook is an Atlas of the Medulla and Midbrain .
The first project was to produce a three - dimensional model of a newborn baby 's brain stem which became the focus of the textbook , An Atlas of the Medulla and Midbrain , published in 1901 ( Sabin 1901 ) .