Penulis: Alberich Klein

Neural Tube Defects (NTDs) are congenital malformations of the central nervous system caused by partial or complete failure of the neural tube to close, within 28 days of conception. They represent …

Rhenium (Re), a very scarce element in nature was the last naturally available element to be discovered in 1925. Re is one of the rarest metals, found in the Earth’s crust. The authors of this book …