In the primary US clinical study to establish safety and effectiveness, 144 subjects were followed. for 24 weeks after injection with JUVÃ©DERM Â® Ultra Plus (without lidocaine) in 1 nasolabial fold. (NLF) and ZYPLAST Â® dermal filler (bovine-based collagen) in the other. The percentage of.
Witness to one of the defining moments in the U.S. civil rights movement, Little Rock, Ark., made history in 1957 when nine African American students tested federal anti-segregation laws in public schools for the first time.resident Dwight D. Eisenhower called in federal troops to restore peace and escort African American children into the classrooms. It was the first use of federal troops in Arkansas to support African American rights since the Civil War Reconstruction period.
In 1957, President Eisenhower drafted a proposal for civil rights  legislation. This resulted in the Civil Rights Act of 1957, which  was the first civil rights legislature â¦ since Reconstruction.isenhower enforced desegregation by sending federal troops to Arkansas when the democratic governor refused to allow blacks to enter the public school. Eisenhower passed two civil rights bills, clearing a path for the Civil Rights Act of 1964 to be passed.