The number of our patients was limited to evaluate the characteristics of headaches in sinusitis or to compare them with the characteristics of other underlying headaches.
With respect to the inclusion criteria of the review, this study was limited to trials evaluating adult patients with sub-types of STS (excluding GIST, Kaposi sarcoma, and Ewing's family of tumours), who had received prior anthracycline and/or ifosfamide therapy for advanced disease.
However, the number of patients treated with endocrine therapy in that study was too limited to evaluate the predictive value of IGFBP4 for endocrine therapy responsiveness.
Our data were too limited to evaluate the impact of declining vitamin D uptake over time in just our preterm cohort; we previously reported the modest increase in rickets between 1998 and 2009 in infants of all gestational age in the QPC [ 8].
Our findings suggest that available data are currently too limited to evaluate the claim that biomarker discovery is indeed misaligned with other stakeholder perspectives [ 20, 21].
Additionally, there is some evidence to suggest a gradient effect, with increasing duration of educational experiences in rural settings, although the number of studies is small and limited to evaluating single programmes.
Despite the numerous studies on the pervasive use of ICT tools in PBL, there is limited study to evaluate students' intention to use these tools in the social constructivist pedagogy, particularly for first-year polytechnic students transitioning to PBL.
There are limited studies however to evaluate the factors that account for the wide ANC-HTC gap.
However, there is limited research undertaken to evaluate the immunological effects of dual infection in these settings.
However, there is limited research evaluating the effectiveness of educational computer games with adaptive difficulty adjustment when compared to non-adaptive difficulty adjustment.
