Detecting plaque forming cells in frog bone marrow.
D000818:Animals; D000917:Antibody Formation; D000921:Antibody-Producing Cells; D001001:Anura; D001853:Bone Marrow / Q000276:immunology*; D002452:Cell Count; D002470:Cell Survival; D006168:Guinea Pigs; D011894:Rana pipiens; D013154:Spleen / Q000276:immunology