@misc{indiciaee9f9b9f08497, title = {Why remove four by chance when one will suffice?}, author = {N M Hansen and A E Giuliano}, year = {2001}, doi = {10.1016/s0959-8049(01)00071-5}, url = {https://pubmed.ncbi.nlm.nih.gov/11378334/}, note = {Source identifier: 11378334} }