Browse Items (1614 total)

Survival analysis focuses on modeling and predicting the time to an event of interest. Many statistical models have been proposed for survival analysis. They often impose strong assumptions on hazard functions, which describe how the risk of an event…

BACKGROUND: Lichen planopilaris (LPP) is a potential trichologic emergency that can result in permanent scarring alopecia. Histopathology is a key component of the diagnostic work-up. OBJECTIVE: To identify the key histologic features that…

INTRODUCTION: Obtaining a representative patient sample for research purposes can be challenging. Classic probability sampling can be trusted, but these approaches are not always feasible; yet alternatives may introduce bias. We summarize relevant…

A slight modification in the method used to remove the top keratinized layer of skin in the epidermal scarification model of HSV infection results in an easier, less painful, more uniform and reproducible means of infection. The back of mice was…

Establishing a worker identity is among the most central aspects of the transition from adolescence to adulthood. Despite its importance, few measures with acceptable psychometric and conceptual characteristics exist to assess vocational identity…

It has always been difficult to account for the evolution of certain human characters such as language, empathy, and altruism via individual reproductive success. However, the striatum, a subcortical region originally thought to be exclusively motor,…

The goals of optimal antimicrobial therapy are to treat infection effectively, to improve the clinical condition of the patient, and to prevent the emergence of resistant bacterial strains. For ideal drug usage the World Health Organization…

A randomized clinical experiment to compare two types of endotracheal tubes utilized a block design where each of the six participating anesthesiologists performed tube insertions for an equal number of patients for each type of tube. Five…

INTRODUCTION: Nasoalveolar molding (NAM) was introduced over 20 years ago as adjunctive therapy for the correction of cleft lip and palate. In the current study, we propose a new approach using a digital workflow and 3-dimensional printing to …

Women often express concern about what they consider to be excess body or facial hair. This surplus of hair may be normal or it may signal hypertrichosis or hirsutism. Hirsutism may be idiopathic, secondary to increased responsiveness of hair…

The following article presents a comprehensive overview of the practical aspects of radiation protection for diagnostic radiology. The topics discussed include background radiation levels, typical exposure levels for radiologic technologists, risk…

Historically, appendicitis in the elderly is associated with higher morbidity and mortality. Ninety-six patients over 60 years of age with appendicitis treated over a 10-year period were reviewed. Only 20% presented classically with anorexia, fever,…

The founding of the William Carlos Williams poetry competition for medical students is recounted. A few highlights from its nearly twenty-five years of operation are offered. Gleanings from the hearts and souls of some of the winning poets are…

OBJECTIVES: The Research Agenda Setting Process (RASP), part of the American Geriatric Society's (AGS's) project "Increasing Geriatric Expertise in Surgical and Related Medical Specialties," was designed to define a research agenda for the geriatrics…

An increasing number of bioactive materials are indicated for the treatment of chronic lower extremity ulcers. They are promising adjuncts to standard therapy. When used in conjunction with standard therapy for venous leg ulcers and diabetic foot…

The purpose of this study is to describe the evaluation of a sexual history-taking curriculum and correlates of student performance during a Clinical Skills Assessment. Reading assignments, small group discussions, a Saturday Sex workshop and…

BACKGROUND AND PURPOSE: Laparoscopic trainers have been shown to be effective tools for transitioning residents in surgical fields into live laparoscopic techniques. There have been few reports of homemade trainers, but each of these reports provides…

We have analyzed reticulocyte and leukocyte mRNAs isolated from a patient with congenital methemoglobinemia and pseudohermaphrodism. The cytochrome b5 cDNA sequences were amplified using specific oligonucleotide primers and the polymerase chain…

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