TY - RPRT TI - Congenital malformations and maternal occupation: a registry based case-control study. AU - F Bianchi AU - D Cianciulli AU - A Pierini AU - A Seniori Costantini PY - 1997 DO - 10.1136/oem.54.4.223 UR - https://pubmed.ncbi.nlm.nih.gov/9166126/ ID - 9166126 ER -