SciELO

Severe root resorption resulting from orthodontic treatment: Prevalence and risk factors

OBJECTIVE: To assess the prevalence of severe external root resorption and its potential risk factors resulting from orthodontic treatment. METHODS: A randomly selected sample was used. It comprised ...
Nature

Interethnic variation of CYP2C19 alleles, ‘predicted’ phenotypes and ‘measured’ metabolic phenotypes across world populations

The frequencies calculated for each geographic region and ethnic group were compared by a chi-squared test with Yate’s correction using the GraphPad Software (GraphPad Software, Inc., La Jolla, CA, ...
SciELO

Effects of virtual reality and nature sounds on pain and anxiety during hysterosalpingography: a randomized controlled trial

OBJECTIVE: The objective of this study was to determine the effects of listening to nature sounds alone and virtual reality plus listening to nature sounds on pain and anxiety in hysterosalpingography ...
azoquantum

GraphPad Prism: Scientific Graphing and Data Analysis Software

GraphPad Prism is a powerful combination of basic biostatistics, curve fitting and scientific graphing in one comprehensive program. More than 100,000 scientists in over 100 countries rely on Prism to ...
ebm.bmj

Tramadol is an appropriate medication for some chronic pain: A response to Barakji et al.

Across thirteen randomized trials, tramadol consistently demonstrated analgesic efficacy with a low incidence of serious adverse events. The purported cardiac signal is driven by sparse, ...