@misc{indiciae0771cee5b693, title = {[Apparent decrease in the occurrence of anencephalus in Norway 1967-90].}, author = {M Bulajic-Kopjar and P Magnus and R T Lie}, year = {1993}, url = {https://pubmed.ncbi.nlm.nih.gov/8273032/}, note = {Source identifier: 8273032} }