@misc{indiciae60d56c6f6021, title = {Tetranucleotide repeat polymorphism in the vWF gene.}, author = {H K van Amstel and P H Reitsma}, year = {1990}, doi = {10.1093/nar/18.16.4957-a}, url = {https://pubmed.ncbi.nlm.nih.gov/2395671/}, note = {Source identifier: 2395671} }