مؤلف: Kazuhiko Kotani

This book is for all pharmacists and students of pharmaceutical science around the world. Specifically, it is intended for those who wish to understand how roles of the community pharmacist are expan …

Helium is the chemical element with atomic number 2 and an atomic weight of 4.002602, and is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert monatomic gas that …