Eclampsia at the Sixteenth Week of Gestation: PDF OnlyEclampsia at the Sixteenth Week of Gestation With Rh isoimmunization and cystic degeneration of the placentaSPECK, GEORGE M.D.Obstetrics & Gynecology 15(1):p 70-72, January 1960. Buy © 1960 The American College of Obstetricians and Gynecologists