For two decades, however, all five suspects have denied any involvement in the killing.
Whatever the calamities of the last three decades, however, these two value systems – strict father versus nurturant family – have been clashing for ever.
For almost two decades, however, Dobson, who was born in 1936, focused on a career as a medical researcher and as a professor of pediatrics at the University of Southern California School of Medicine.
The last two decades, however, have seen the rise, and near-universal acceptance, of fiefdoms as a way of governing life and even circulating ideas in India.
For two decades, however, scientists did not understand two critical details of protein processing: how newly produced proteins are routed to their correct location in the cell, and how proteins pass through the membrane that surrounds each organelle.
Within two decades, however, the Antonine Wall was abandoned in favour of Hadrian's Wall, which continued in use nearly until the end of Roman rule in Britain (410).
As with any band whose career has lasted more than two decades, however, their recent output has at times bordered on self-parody and it's usually only in a live setting that the newer songs start to make more sense.
Significant progress in the empirical study of wisdom has occurred over the past four decades; however, much needs to be done.
Antigen-specific active immunotherapies for the treatment of cancer have been researched for over two decades, however, the overwhelming majority of these studies have failed to stimulate robust clinical responses.
