TY - STD TI - Nature, [http://www.nature.com/] UR - http://www.nature.com/ ID - ref1 ER - TY - STD TI - Capturing genes encoding membrane and secreted proteins important for mouse development. ID - ref2 ER - TY - STD TI - Internal ribosome entry sites and dicistronic RNAs in mammalian transgenesis. ID - ref3 ER - TY - STD TI - University of California Resource of Gene Trap Insertions., [http://socrates.berkeley.edu/~skarnes/resource.html] UR - http://socrates.berkeley.edu/~skarnes/resource.html ID - ref4 ER - TY - STD TI - The molecular biology of axon guidance. ID - ref5 ER -