Cf and Fibrocystic disease of the pancreas

Cf noun - A radioactive transuranic element; discovered by bombarding curium with alpha particles.

Fibrocystic disease of the pancreas and cf are semantically related. In some cases you can use "Fibrocystic disease of the pancreas" instead a noun "Cf".

Fibrocystic disease of the pancreas noun - The most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is known.

Cf and fibrocystic disease of the pancreas are semantically related. You can use "Cf" instead a noun phrase "Fibrocystic disease of the pancreas".