Within the past decade, musculoskeletal ultrasound (US) has become an established imaging
technique for the diagnosis and follow up of patients with rheumatic diseases. 1–5 This …

For the past 20 years, social scientists have devoted increasing attention to the links between
type of postsecondary education received and socioeconomic inequalities. Borrowing the …

graphic imaging. 5 Diagnostic reference levels allow users, regulators, and accrediting
organizations to identify practices that deliver radiation doses far above or below their peers. The …

… Thus, a growth process is deemed a success if 16% of the market is obtained before a
specified time T . Note that the determination of the time T may differ for various growth processes. …

In this study, we used problem posing as a measure of the effect of middle-school curriculum
on students' learning in high school. Students who had used a standards-based curriculum …

… Garber contributed equally to this work. We thank Gabriel Aisemberg, Edwardo Macagno,
Marty Shankland and Mark Martindale for discussions of Lox genes and communication of …

The recommendations listed in this document are, whenever possible, evidence based. An
extensive evidence review was conducted as the document was compiled through …

… At faster HRs, there invariably is merging of the end of the T wave with the P wave in
patients in sinus rhythm, making the standard T–P baseline unusable during exercise for most …

EVIDENCE suggests that the New World was colonized only 11,000–40,000 years ago by
Palaeo-Indians 1 . The descendants of these Palaeo-Indians therefore provide a unique …

Context Cardiac computed tomography (CT) angiography (CCTA) has emerged as a useful
diagnostic imaging modality in the assessment of coronary artery disease. However, the …