The mentor.
DeVore
G R
GR
D004452:Echocardiography; D005260:Female; D049673:History, 20th Century; D006801:Humans; D008611:Mentors; D009774:Obstetrics / Q000193:education; D010500:Perinatology / Q000193:education; D011247:Pregnancy; D016216:Ultrasonography, Prenatal; D014481:United States