What made you want to look up negative valence? Please tell us where you read or heard it (including the quote, if possible).
WBS is nothing but Work Breakdown Structure. It is mainly used in Project System (PS) module. Tcode: CJ20N. For any project defined we must have atleast one WBS. Within this WBS we can have networks. Networks are nothing but the series of activities. Material are used to perform the activities.
EUS is used to further investigate lesions, masses, and cysts that have been found during a routine endoscopy, conventional ultrasound, CT scan or MRI. EUS can provide detailed ultrasound images and measurements of tumors.n EUS, the endoscope also has an ultrasound transducer tip on it. With this specialized scope, not only can the doctor visualize the lining of the digestive tract endoscopically, but using high-frequency sound waves, can also produce highly detailed images of the musculature and surrounding structures and organs.