title: Transgenic route runs into sand.
authors: J
authors: J
authors: Maddox
mesh_terms: D000818:Animals; D004247:DNA / Q000235:genetics; D008297:Male; D051379:Mice; D008822:Mice, Transgenic / Q000235:genetics*; D011643:Publishing; D013094:Spermatozoa / Q000166:cytology
chemical_list: D004247:DNA