L G Altman et al.
The journal of histochemistry and cytochemistry : official journal of the Histochemistry Society, 32(11), 1217-1223 (1984-11-01)
Lowicryl K4M (K4M) was recently introduced as an embedding medium for immunocytochemistry at the electron microscope level (BL Armbruster, E Carlemalm, R Chiovetti, RM Garavito, JA Hobot, E Kellenberger, W Villiger (1982):J Microsc 126:77 and E Carlemalm, M Garavito, W