title: Studies on nucleoli of maturing frog erythroblasts.
mesh_terms: D000818:Animals; D001001:Anura; D002454:Cell Differentiation; D002466:Cell Nucleolus; D004912:Erythrocytes / Q000166:cytology*; D004920:Erythropoiesis; D007036:Hypothermia, Induced; D011896:Rana temporaria