Case Records of MGH
NEJM 291:837, 1974. Endodermal sinus tumor in region of Pineal Gland., , 1974
Intraspinal Steroids: History, Efficacy, Accidentality, and Controversy with Review of United States Food and Drug Administration Reports
JNNP 70:433-443, Nelson,D.A. & Landau,W.M., 2001