TY - GEN AU - Singer,P T AU - Smalds,A AU - Carty,R P AU - Mangel,W F AU - Sweet,R M TI - Response SN - 0036-8075 PY - 2010///0702 N1 - Publication Type: Journal Article UR - https://doi.org/10.1126/science.261.5121.621 ER -