1. An inaugural essay on hydrocephalus internus: submitted to the examination of the Rev. John Andrews ..., the Trusttes and medical professors of the University of Pennsylvania, on the 21st day of April, 1806 : for the degree of Doctor of Medicine Author(s): Wacker, Jacob David, d. 1829 Publication: Philadelphia : Printed for the author, by John H. Oswald, 1806 Subject(s): Hydrocephalus
