Robert Waller

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The first global assessment of amphibians provides new context for the well-publicized phenomenon of amphibian declines. Amphibians are more threatened and are declining more rapidly than either birds or mammals. Although many declines are due to habitat loss and overutilization, other, unidentified processes threaten 48% of rapidly declining species and(More)
The Fifth World Parks Congress in Durban, South Africa, announced in September 2003 that the global network of protected areas now covers 11.5% of the planet's land surface. This surpasses the 10% target proposed a decade earlier, at the Caracas Congress, for 9 out of 14 major terrestrial biomes. Such uniform targets based on percentage of area have become(More)
Page layout is dominant in many genres of physical documents, but it is frequently overlooked in academic analyses of texts and in digitized versions. Its presence is largely determined by available technologies and skills: If no provision is made for creating, preserving, or describing layout, then it tends not to be created, preserved or described.(More)
BACKGROUND Correlations between clinical and quantitative measures of pain sensitivity are poor, making it difficult for clinicians to detect people with pain sensitivity. Clinical detection of pain sensitivity is important because these people have a different prognosis and may require different treatment. OBJECTIVE The purpose of this study was to(More)
OBJECTIVE We studied the effects of home interferential current therapy (IFC) on postoperative pain, range of motion, and edema in subjects undergoing anterior cruciate ligament (ACL) reconstruction, menisectomy, or knee chondroplasty. DESIGN Randomized, double-blind, placebo-controlled prospective study. SETTING A tertiary care outpatient orthopaedic(More)
It has been proposed that patients with chronic non-specific low back pain (CNSLBP) can be broadly classified based on clinical features that represent either predominantly a mechanical pain (MP) or non-mechanical pain (NMP) profile. The aim of this study was to establish if patients with CNSLBP who report features of NMP demonstrate differences in pain(More)
STUDY DESIGN Cross-sectional study. OBJECTIVES To examine extension mobility of the thoracic spine in young, asymptomatic adults, with particular reference to the influence of subject position and magnitude of the thoracic kyphosis. BACKGROUND Impairment of thoracic extension motion is commonly associated with mechanical pain disorders in this region of(More)
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BACKGROUND The reliability of assessment is an important issue in the evaluation of competence in medical and allied health practice, particularly when assessments are conducted by multiple examiners. The purpose of this study was to examine the agreement between multiple examiners in the assessment of a postgraduate physiotherapy student using a(More)