Gettler, L. T., McKenna, J. J., McDade, T. W., Agustin, S. S., & Kuzawa, C. W. (2012). Does Cosleeping Contribute to Lower Testosterone Levels in Fathers? Evidence from the Philippines. Public Library of Science.

Gettler, Lee T., James J. McKenna, Thomas W. McDade, Sonny S. Agustin, and Christopher W. Kuzawa. Does Cosleeping Contribute to Lower Testosterone Levels in Fathers? Evidence From the Philippines. Public Library of Science, 2012.

Gettler, Lee T., et al. Does Cosleeping Contribute to Lower Testosterone Levels in Fathers? Evidence From the Philippines. Public Library of Science, 2012.