Similar results were obtained from at least three independent experiments.

The numbers of replicates per treatment group and independent experiments associated with specific studies are provided in the figures or accompanying legends.

A repeat was indicated if any of the three independent experiments did not agree.

An average of 300,000 colonies were recovered from three independent experiments for each virus infection.

Three independent experiments were conducted per experimental group and the composite array determined.

This was apparently confirmed by some early independent experiments, but it was incorrect.

Similar data were obtained in two independent experiments.

Three independent experiments found that the intensity is, in fact, greater from the west, proving that most primaries are positive.

At least 300 cells were counted in triplicate in three independent experiments.

At least three independent experiments were performed for all analyses.