Hubert Schwabl

Maternal testosterone in the avian egg enhances postnatal growth.

H. Schwabl, Hubert Schwabl, 1996, Comparative biochemistry and physiology. Part A, Physiology.

Yolk is a source of maternal testosterone for developing birds.

H. Schwabl, Hubert Schwabl, 1993, Proceedings of the National Academy of Sciences of the United States of America.