B3I1F4I1D2A1
12 points
BIFIDA is validvalid
BIFIDUM, a bacterium often added to yogurt [n]
BIFIDUM, a bacterium present in the human digestive system, often added to yogurt, also BIFIDUS [n]
BIFIDUM, a bacterium often added to yogurt [n]
BIFIDUM, a bacterium present in the human digestive system, often added to yogurt, also BIFIDUS [n]