مؤلف: Michael L. Power

Michael L. Power is a senior research associate at the American College of Obstetricians and Gynecologists and a research associate at the Smithsonian National Zoological Park. Jay Schulkin is director of the research department at the American College of Obstetricians and Gynecologists and a research professor in Georgetown University”s Department of Neuroscience. Power and Schulkin are the coauthors of The Evolution of the Human Placenta, also published by Johns Hopkins.