HITCH-HIKING EFFECT AND LINKAGE DISEQUILIBRIUM: THE EXAMPLE OF TWO CLOSELY LINKED LOCI IN THE PIG, HALOTHANE SENSITIVITY (HAL) AND PHOSPHOHEXOSE ISOMERASE (PHI) G. GUÉRIN, L. OLLIVIER and P. SELLIERGenet. Sel. Evol., 12 1 (1980) 132DOI: https://doi.org/10.1051/gse:19800168