title: Reply to Drs Caocci and Pisu.
authors.forename: F
authors.initials: F
authors.lastname: Frassoni
mesh_terms: D002140:California; D002410:Catholicism; D033041:Embryo Research / Q000331:legislation & jurisprudence*; D005307:Fertilization in Vitro / Q000331:legislation & jurisprudence*; D033161:Government Regulation; D006801:Humans; D007558:Italy; D012070:Religion and Science