Section of a cryo-fixed schizont incubated with anti-Pfgrp-peptide antiserum. Arrows denote decoration of dilated ER membranes by gold particles, x 44000. Kumar N, Koski G, Harada M, Aikawa M, Zheng H. Induction and localization of Plasmodium falciparum stress proteins related to the heat shock protein 70 family. Mol Biochem Parasitol. 1991 48(1):47-58. PMID: 1779989.