Company-paid researchers, not independent scientists, conducted the studies, which were never published in a peer-reviewed journal.
The studies, which included about 1,600 adults and children, compared the supplements to placebo.
She was responding to one of the studies, which found that a third of travellers who said they had packed condoms admitted not always using them.
The studies, which generally relied on volunteers to recall their sunscreen use, were also unable to establish how well the products had been applied, the new report says.
Often, Dr. Koppelman is also able to obtain private financing for the studies which he conducts, sometimes working with independent consultants.
However, the small size of the studies, which together examined a mere 75 patients, raises questions regarding the product's efficacy.
The studies which analyzed pacifier sucking effects on orofacial structures were included.
All of the studies, which combined both evolution and TA-NOS, demonstrated highly significant z values.
However, important methodological differences exist between the studies, which impede direct comparisons.
In the studies which did address the instability, the conclusions and the employed models are prone to criticism.
Viscous damping is emphasized in the studies, which illustrate the effect of the foundation properties on the stability behavior.
