What was the first restriction on immigration from Asia? Congress passed the first highly restrictive immigration law in 1917, requiring immigrants over age 16 to
What does the name ravenell mean? Possibly English, a variant of Ravenhall, Ravenhill, or Revnell, either from an Old Norse female personal name Hrafnhildr (from
How can CDI be diagnosed? A definitive diagnosis of CDI requires laboratory identification of C. difficile toxin in a stool sample and/or visualization of PMC,