@misc{indiciaee5ee47760cf6, title = {[Early amniocentesis].}, author = {J Klapp and K H Nicolaides and H D Hager and T Voigtländer and J Greiner and G Tariverdian and W D Lehmann}, year = {1990}, doi = {10.1055/s-2008-1026279}, url = {https://pubmed.ncbi.nlm.nih.gov/1695882/}, note = {Source identifier: 1695882} }