title: RFLPs associated with the substance P-neurokinin A gene (NKNA).
mesh_terms: D002897:Chromosomes, Human, Pair 7; D005796:Genes; D006801:Humans; D015288:Neurokinin A; D009479:Neuropeptides / Q000235:genetics*; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length; D013373:Substance P / Q000235:genetics*
chemical_list: D009479:Neuropeptides; D013373:Substance P; D015288:Neurokinin A