The addition of new descriptions of standards - based class practices to time - tested descriptions that were included in the original edition of the standards (socialstudies.org)
Quantitation by standard addition method (androstenedione, androsterone, corticosterone, cortisone, estradiol, estrone, progesterone, OH - progesterone, testosterone). (sigmaaldrich.com)
On the equipment front, the GTD has gained numerous standard additions as part of the 2017 Golf range facelift. (autocar.co.uk)