Comma Quiz

by Laura King

Edit the following based on your understanding of section 8.2 of the AMA Manual of Style.

Because this was a pragmatic open trial it was not possible to conceal the allocation group from either participants or clinicians.

The factorial design with independent allocation to the individual interventions meant that patients received 1 of 4 types of follow-up.

Late-onset Alzheimer disease defined as onset of symptoms after 65 years of age is the most common form of dementia.

The investigators performed a double-blind placebo-controlled patient-initiated 2-armed clinical trial.

The investigators performed a randomized placebo-controlled trial.

The newborn weighed 7 lb 3 oz.

The demographic features of our 2 control cohorts were not matched to each other yet Epstein-Barr virus seroprevalence was identical.