However, studies of biochemical markers of bone turnover in patients with AS have yielded conflicting results.
Additionally, trials of anti TNF therapy in AS have yielded impressive results [ 21- 25] and a recent systematic review and meta analysis [ 26] described the benefits of anti TNF therapy in patients with AS.
Studies examining epidemiological trends in AS have yielded variable results, some of which may be explained by differences in study design, geographic location, age, ethnicity, background prevalence of HLA-B27, genetic susceptibility and disease ascertainment.
But now Santelli-as-nerd has yielded to Santelli-the-prophet-of-doom.
Non-podocarpaceous conifers, Ginkgo, and some ferns such as Angiopteris would also have yielded as much energy as the most nutritious food plants available to modern herbivores today (Hummel et al., 2008).
Experimental and correlational animal studies, as well as computational modelling, have yielded much information on the role of the cholinergic system in cognition.
Now, as paternalism has yielded to consumerism and truth-telling in medicine, most such patients in the United States are told of the diagnosis and who will do their surgery.
"The past 18 months serving as CEO have yielded some of the most meaningful and powerful experiences of my 20 year career building technology.
Studies conducted across domains using both adults and children as subjects, have yielded reliability results often exceeding.70 (see Amabile 1996).
