TY - GEN AU - Strassle,Paula D AU - Cassell,Cynthia H AU - Shapira,Stuart K AU - Tinker,Sarah C AU - Meyer,Robert E AU - Grosse,Scott D TI - What we don't know can hurt us: Nonresponse bias assessment in birth defects research SN - 1542-0760 PY - 2016///0415 KW - Bias KW - Cleft Lip KW - Cleft Palate KW - Humans KW - North Carolina N1 - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1002/bdra.23408 ER -