1 freshly grated parmesan cheese, to taste. 2  fresh ground black pepper, to taste.  In a large glass or wooden salad serving bowl, toss together the lettuce mix, onion slices, olives, pepperoncini, tomatoes, and croutons. Add dressing and toss to combine.
surveillance noun [U] us / sÉrËveÉªÂ·lÉns / âº the act of watching a person or a place, esp. a person believed to be involved with criminal activity or a place where criminals gather:
active surveillance. Epidemiology Surveillance in which extra measures are taken to collect data and confirm diagnoses to ensure more complete reports for surveys and outbreak investigations. Active surveillance encompasses formal and informal communications. Oncology Active waiting An approach to managing early prostate cancer (PC), which affords a window on its natural history, and is an ideal setting for identifying and evaluating biomarkers of PC behaviour.