The procedures evolved in the author's laboratory over the past 20 years for the microbiological assessment of antifungal drugs are described; methods are detailed for the estimation of the sensitivity of pathogenic fungi to therapeutic agents and for the assay of those agents in body fluids. The preparation and maintenance of stock reference solutions of the drugs, the culture media used, and ...

BACKGROUND Laboratory tests can be an important source of blood loss in hospitals, especially for newborns and patients in intensive care. The aim of this study was to quantify blood loss for laboratory diagnostic tests in a large number of patients in a teaching hospital. METHODS We estimated blood loss by multiplying the number and volumes of sampling tubes collected from 2654 adult inpatie...

The essence of manual retrieval systems is that all operations of storage and retrieval are carried out by humans directly, with no more aid than the timehonoured record sheets, index cards, printed pages, and so on. Tests of inhouse systems have covered several kinds of library catalogue, pre-coordinate index, and post-coordinate index. Tests of published systems have compared many styles of p...

Simultaneous exposure of humans to a number of chemicals may produce toxicity which is different than that seen if the exposure to these compounds were sequential. If there is more than one toxic compound in the mixture, their toxicity may be greater than additive, additive, or less than additive. Which of these alternatives occurs depends on a complex set of factors among which are the ability...

The opening chapter on the examination of the urine is particularly full and good, all the chief tests, both qualitative and quantitative, being given. The second chapter, dealing with the examination of the blood, includes the differential leucocyte count, the detection of the presence of the more important blood nara?iif-p<? WirM'^ reaction, etc. With regard to this latter, the form of glass ...

INTRODUCTION Oxidative stress (OS) is considered a significant contributor to male infertility. A number of laboratory techniques have been developed to evaluate oxidative stress in the semen. We review these tests and their current use. METHODS A literature review was performed utilizing the PubMed search engine for articles studying OS etiology and impact on male fertility, and the laborato...