<prompt> Oakley-Fulthorpe procedure is:Single diffusion in one dimensionDouble diffusion in one dimensionSingle diffusion in two dimensionsDouble diffusion in two dimensions  <response>: Various immunodiffusion test Single diffusion in one dimension - Oudin procedure Double diffusion in one dimension - Oakley fulthorpe procedure Single diffusion in two dimensions - Radial immunodiffusion Double diffusion in two dimensions - Ouchterlony procedure 