Because of inconclusive or conflicting results of testosterone treatment studies reported in the literature, Rabkin and colleagues (2004) undertook a comparison study among testosterone, the anti-depressant, fluoxetine, and placebo in eugonadal HIV positive men.
We undertook a comparison study of the effect of the extremes of very high versus very low sustained musculoskeletal loading beginning at a young age on the musculoskeletal health of the lower back and knees at middle age using MRI.
A comparison study is undertaken between Ni P and Ni P C films to evaluate the microstructure and the electrochemical performances of the composite films as anode materials for lithium ion batteries, which allow the decoupling of the effect of the carbon layer.
Prevalence rates are highest for CHD and stroke in Scotland and for diabetes and hypertension in Wales This is the first study to undertake a comparison of quality of care between the four countries of the UK using QOF data.
To establish a baseline for such studies, we undertook a comparison of murine ES cell differentiation using an embryoid body (EB) methylcellulose culture system containing either 10% FBS [ 2] or a chemically defined BSA-based media containing 2 ng/ml of BMP4, termed serum-freeB4L [ 17].
King's College London will also be undertaking a linked study focused on schools.
Our study used UK PCDs, which are generally acknowledged to be of higher quality and completeness than databases available for most countries, and we would urge researchers in other countries to undertake similar comparison studies.
Given the limited comparison of methods for handling limited-range variables to date, we undertook a systematic study into the imputation of such variables.
The impact of vitamin C on extracellular matrix production is well established but we in this study have undertaken a critical comparison of two derivatives of vitamin C as they are released from a biodegradable scaffold.
Use of computer-generated letters was deemed too expensive by staff; however, none of the study practices had undertaken a cost comparison of current or prospective methods.
The EURAMOS group chose to undertake a large cohort study, embedding two randomised comparisons as our first collaboration [ 6].
