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ageing gene atmospheric refraction distortion bolometric correction Collis Potter Huntington cricothyrotomies cruciform girder decidualized Denkendorf dew point nocturnal curve Diffusion through a semipermeable plane Gawlam Heepsters lithonephria matter of opinion medico-athletics minimum redundancy array Morax-Axenfeld bacillus quadridigitatus sleevings Weilite