Results 261 to 270 of about 5,990,468 (300)

Stimulus duration and pain in nerve conduction studies

Muscle & Nerve, 2012
AbstractIntroduction: It is generally believed that a shorter stimulus duration is less painful in nerve conduction studies (NCS). We investigated whether a shorter duration stimulus is actually less painful when the same physiological effect, such as supramaximal stimulation, is achieved in motor NCS.
Akiko, Tamura, Masahiro, Sonoo, Satoshi, Hoshino, Tomoko, Iwanami, Hiroyuki, Shimada, Takami, Miki, Teruo, Shimizu   +6 more
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Breastfeeding Duration and Childhood Caries: A Cohort Study

Caries Research, 2016
This cohort study was conducted in Khon Kaen, Thailand, to test the hypothesis that a longer breastfeeding duration increases the risk for dental caries in primary teeth. We collected information on infant feeding practices and potential confounders using a structured questionnaire to interview mothers or caregivers during the second trimester of ...
Areerat, Nirunsittirat, Waranuch, Pitiphat, Christy M, McKinney, Timothy A, DeRouen, Nusara, Chansamak, Onauma, Angwaravong, Piyachat, Patcharanuchat, Taksin, Pimpak   +7 more
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State duration models in clinical and observational studies

Statistics in Medicine, 1999
Many studies in medicine involve conditions whereby subjects make transitions among a set of defined states over time. In such situations the durations of sojourns in specific states is frequently of interest. This article considers the modelling and analysis of sojourn times, beginning with semi-Markov models in which the durations of different ...
Lawless, JF, Fong, DYT
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Rabies Vaccines: Duration-of-Immunity Study in Dogs

Journal of the American Veterinary Medical Association, 1971
SUMMARY Eight types of rabies vaccines were tested to determine their relative immunogenic quality. In addition to measuring their relative potency values in laboratory animals, we tested these vaccines for their ability to stimulate lasting immunity in 320 purebred Beagles.
R K, Sikes, G V, Peacock, P, Acha, R J, Arko, R, Dierks   +4 more
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Sleep Duration and Breast Cancer: A Prospective Cohort Study

Cancer Research, 2005
Abstract Breast cancer incidence has increased during recent decades for reasons that are only partly understood. Prevalence of sleeping difficulties and sleepiness has increased, whereas sleeping duration per night has decreased. We hypothesized that there is an inverse association between sleep duration and breast cancer risk, possibly
Pia K, Verkasalo, Kirsi, Lillberg, Richard G, Stevens, Christer, Hublin, Markku, Partinen, Markku, Koskenvuo, Jaakko, Kaprio   +6 more
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Duration Matters: Separating the Impact of Depth and Duration in Study Abroad Programs

Journal of Studies in International Education, 2019
Study abroad participation has increased dramatically over the past two decades, primarily through the growth of short-term study abroad experiences. Given this, it is logical to ask whether short-term experiences are capable of delivering student learning outcomes equivalent to those of long-term experiences.
Stephen B. DeLoach, Mark R. Kurt, Neal H. Olitsky   +2 more
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Duration of University Studies

2014
In this paper the duration of studying the master program Applied Economics and Finance at Copenhagen Business School is studied. The data applied are all students beginning the program summer 2010. The length of their study time is modeled using various independent variables such as age, gender and nationality. It turns out that only the capability of
Milhøj, Anders, laCour, Lisbeth
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Does Duration Matter? A Case Study

2014
This chapter reviews a pilot study undertaken at Sheffield Hallam University in the computing department in which the teaching period was shortened from a semester-long delivery to a slightly extended week of intensive study. The case study investigates the delivery of a module on a Computing MSc course. The module concerned is one of ten in the course.
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Effects of Frequency, Duration of Study Trial, and Total Duration of Exposure on Affective Judgments

Psychological Reports, 1975
Studies of frequency and duration of exposure of stimuli, e.g., Chinese characters, Turkish words, faces, paintings, have traditionally been factorial, resulting in confounding among the parameters of frequency, duration of study trial, and total duration of exposure. This study attempted to separate the effects of these variables on affective ratings.
M G, Marcus, K L, Hakmiller
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Carcinogenesis bioassays: study duration and biological relevance.

Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2001
Criticisms of the scientific value of rodent carcinogenicity bioassays have focused on the arguments that the studies are too long and that most organ-specific carcinogenic effects observed in experimental animals have little or no relevance to humans. For example, Davies et al. (Davies, T.S., Lynch, B.S., Monro, A.M., Munro, I.C., Nestmann, E.R., 2000.
J, Haseman, R, Melnick, L, Tomatis, J, Huff   +3 more
openaire   +2 more sources