Selective serotonin reuptake inhibitors (SSRIs), also known as serotonin-specific reuptake inhibitors or serotonergic antidepressants, are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder and anxiety disorders.
midst meaning, definition, what is midst: the middle of a group of people or things: . Learn more.
Midstream operations are usually included in the downstream category. The upstream oil sector is a term commonly used to refer to the searching for and the recovery and production of crude oil and natural gas.