Continued use of the term on public and private forums has popularized and standardized the nomenclature .
In 2008 , a researcher known as DatBtrue created the term modified GRF ( 1 - 29 ) in place of tetrasubstitued GRF ( 1 - 29 ) in his public articles .
Continued use of the term on public and private forums has popularized and standardized the nomenclature .
In 2008 , a researcher known as DatBtrue created the term modified GRF ( 1 - 29 ) in place of tetrasubstitued GRF ( 1 - 29 ) in his public articles .