barium
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(bar′ē-ŭm)

SYMB: Ba A soft metallic element of the alkaline earth group, atomic weight (mass) 137.373, atomic number 56. Barium is used as an intraluminal contrast agent in gastrointestinal radiography.
CAS# 7440-39-3
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(bar′ē-ŭm)

SYMB: Ba A soft metallic element of the alkaline earth group, atomic weight (mass) 137.373, atomic number 56. Barium is used as an intraluminal contrast agent in gastrointestinal radiography.
CAS# 7440-39-3
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