Pig gene mapping : assignment of the genes for mannosephosphate isomerase (MPI) and nucleoside phosphorylase (NP) to chromosome no. 7 G. DOLF and G. STRANZINGERGenet. Sel. Evol., 18 4 (1986) 375-384DOI: https://doi.org/10.1051/gse:19860402