Uhrík B, Zacharová D
J Microsc. 1977 Jul;110(2):171-3. doi: 10.1111/j.1365-2818.1977.tb00030.x.
A partial removal of the embedding medium from sections of tissue with hollow structures results in the formation of phase object. The removal of epoxy resin by the heat of a gas-burner flame is a simple method which does not lead to shifts and losses of sections from glass slides.