@misc{indiciae5c15218bf4c7, title = {A ring-20 chromosome.}, author = {L Atkins and W L Miller and M Salam}, year = {1972}, doi = {10.1136/jmg.9.3.377}, url = {https://pubmed.ncbi.nlm.nih.gov/4627939/}, note = {Source identifier: 4627939} }