Session Type: ACR Poster Session B. Session Time: 9:00AM-11:00AM. Background/Purpose: The combination of methotrexate (MTX), sulfasalazine (SSZ) and hydroxychloroquine (HCQ) (triple therapy) is a highly effective and well-tolerated treatment in rheumatoid arthritis (RA).
DVD-R DL. DVD-R DL (DL stands for Dual Layer), also called DVD-R9, is a derivative of the DVD-R format standard. DVD-R DL discs hold 8.5 GB by utilizing two recordable dye layers, each capable of storing a little less than the 4.7 gigabyte (GB) of a single layer disc, almost doubling the total disc capacity.
The main functional differences between DVD-R and DVD+R are the DVD recorder's built-in defects management, the way the recorders format and rewrite DVDs, and the price. With DVD-R, little marks are positioned in the grooves of the disc that determines how the DVD reader processes the information on the disc.