A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D008887
Military Medicine
The practice of medicine as applied to special circumstances associated with military operations.
Medicine, Military
D009664
Norway
A country located in northern Europe, bordering the North Sea and the Atlantic Ocean, west of Sweden. The capital is Oslo.
Kingdom of Norway
D014867
Water
A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)