ผู้เขียน: Shu Tian Gan

In this book, the authors present current research in the study of the chemical properties, medicinal uses and environmental effects of manganese. Topics discussed include manganese in natural and ar …

In 1973, the U.S. Supreme Court concluded in Roe v. Wade that the U.S. Constitution protects a woman’s decision to terminate her pregnancy. In Doe v. Bolton, a companion decision, the Court found tha …