objective(s) herbal waters are extensively used in most parts of iran including mashhad. visiting a patient with total blindness due to daily ingestion of around 200 ml of herbal water (plant forty water) per day for six months was the rational for methanol determination in all herbal waters available in mashhad markets. materials and methods a total of two hundred and nineteen bottles of herba...

The report of Oakley, Warrack, and Clarke (1947) on the toxins of the Clostridium novyi (oedematiens) group and of Clostridium hemolyticum indicates the complexity of this topic and presents the pertinent historical data. It is known that the toxins C. novyi and C. hemolyticum involve a lecithinase catalyzing the hydrolysis of lecithin to phosphorylcholine and a diglyceride. In view of the exis...

E. D. CLARKE*, L. B. SPEAR†, M. L. MCCRACKEN‡, F. F. C. MARQUES*, D. L. BORCHERS*, S. T. BUCKLAND* and D. G. AINLEY† * Centre for Research into Ecological and Environmental Modelling, University of St Andrews, The Observatory, Buchanan Gardens, Fife KY16 9LZ, UK; † H.T. Harvey & Associates Ecological Consultants, 3150 Almaden Expwy, Suite 145, San Jose, CA 95118, USA; and ‡ National Marine Fish...

Overwhelming pressure from governments and the public has compelled social media platforms to take unprecedented action on what users share online in pandemic. But who fact checks checkers? Laurie Clarke reports

1. T. C. Partridge, Nature 275, 283 (1978). 2. D. N. Stiles and T. C. Partridge, S. Afr. J. Sci. 75,346 (1979). 3. T. C. Partridge and 1. B. Watt, Palaeontol. Afr. 28,35 (1991). 4. R. J. Clarke and P. V. Tobias, Science 269, 521 (1995). 5. P. L. McFadden et al., Earth Planet. Sci. Lett. 55,373 (1979). 6. T. C. Partridge, personal communication. 7. F. J. Hilgen, Earth Planet. Sci. Let. 107, 349 ...

W. R. Clarke,1,* A. P. Micolich,1 A. R. Hamilton,1 M. Y. Simmons,1 C. B. Hanna,2 J. R. Rodriguez,2 M. Pepper,3 and D. A. Ritchie3 1School of Physics, University of New South Wales, Sydney, New South Wales 2052, Australia 2Department of Physics, Boise State University, Boise, Idaho 83725-1570, USA 3Cavendish Laboratory, University of Cambridge, Cambridge CB3 0HE, United Kingdom sReceived 23 Nove...

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I Sasahara, A. A., Cannilla, J. E., Morse, R. L., Sidd, J. J., and Tremblay, G. M., American Yournal of Cardiology, 1967, 20, 10. 2 Gibbs, N. M., British 7ournal of Surgery, 1957, 45, 209. 3 Flanc, C., Kakkar, V. V., and Clarke, M. B., British 7ournal of Surgery, 1968, 55, 742. & Littmann, D., in Pulmonary Embo!ic Disease, ed. A. A. Sasahara and M. Stein, p. 186. New York, Grune and Stratton, 1...