Silver Impregnation for Electron Microscopy

(From the Cell Research Laboratory and the Department of Pathology of The Mount Sinai Hospital, New York, and Laboratories, Barnet Memorial Hospital, Paterson, New Jersey.)

(From the Cell Research Laboratory and the Department of Pathology of The Mount Sinai Hospital, New York, and Laboratories, Barnet Memorial Hospital, Paterson, New Jersey.)

(From the Cell Research Laboratory and the Department of Pathology of The Mount Sinai Hospital, New York, and Laboratories, Barnet Memorial Hospital, Paterson, New Jersey.)