When only one of the blood cultures is positive out of a set of 2 or more. The validity of this statement is directly proportional to the number of negative blood cultures and depends on the organism identified.
The Foreign Intelligence Surveillance Act (FISA) was introduced on May 18, 1977, by Senator Ted Kennedy and was signed into law by President Carter in 1978.
AMI (Association Montessori Internationale) is the body that Maria Montessori founded in 1929, and of which she remained founder president until her death in 1952. Her son Mario Montessori was general director of AMI until his death in 1982.