Freeze-drying with calcium carbide.
D000114:Acetylene / Q000031:analogs & derivatives; D002118:Calcium; D002136:Calcium, Dietary; D005612:Freeze Drying; D006652:Histological Techniques; D006653:Histology
D002136:Calcium, Dietary; C006873:calcium carbide; D000114:Acetylene; D002118:Calcium
CALCIUM; HISTOLOGY