TY - RPRT TI - Problems in teratology research. AU - E M Johnson PY - 1996 DO - 10.1002/(sici)1096-9926(199604)53:4<225::aid-tera3>3.0.co;2-1 UR - https://pubmed.ncbi.nlm.nih.gov/8864162/ ID - 8864162 ER -