منابع مشابه
Sir George Baker and the Devonshire Colic
JOHN P1mLIPS was not a Devon man and the colic which he described with such evident personal feeling was not the Devonshire colic. In the eighteenth century the cider making counties of England were the shires of Devon, Hereford and Gloucester. Cider was being made in Devonshire in the thirteenth century. At the beginning of the eighteenth century, when Defoe visited the county he remarked on t...
متن کاملKerslake Curette Sir,-the Letter From
endocrine hypothesis. For example, there must be in the population many men who have regularly donated blood every six months for many years. Obviously this is not equivalent to a monthly menstrual bleed. Nevertheless it would be interesting to see whether these men are in any way protected against coronary thrombosis as compared with a group of non-donors. (2) If true the concept would mean th...
متن کاملReply from C. L. Witham and S. N. Baker
We thank Drs Schouten and Campfens for their interest in our paper. We are more optimistic about the practical capabilities of directed coherence than the position they adopt in their letter, but we would also emphasise the need for caution in using these methods. At the basis of directed coherence (Granger causality) methods is an autoregressive model of the signals of interest. For the bivari...
متن کاملLetter and Reply Lead and CKD Sir
Sir, We have read with interest the article by Spector et al. [1] which showed that higher blood levels of lead were associated with lower estimated glomerular filtration rate (eGFR) levels and impaired kidney function (eGFR < 60 mL/min/1.73m) in 3941 US adults participating in National Health and Nutrition Examination Survey (NHANES). This effect was particularly observed in subjects >60 years...
متن کاملBaker ’ s Yeast UMP : Pyrophosphate Phosphoribosyltransferase
Baker’s yeast UMP:pyrophosphate phosphoribosyltransferase (EC 2.4.2.9) has been extensively purified and the final preparation seemed to be pure but not homogeneous. The native enzyme showed a molecular weight of 80,000 calculated by gel filtration; disc gel electrophoresis performed in the presence of sodium dodecyl sulfate and reducing agents showed two dissimilar subunits and the sum of thei...
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ژورنال
عنوان ژورنال: Proceedings of the Royal Geographical Society of London
سال: 1870
ISSN: 1478-615X
DOI: 10.2307/1798993