@misc{indiciae4055f5916ecb, title = {A modified rubella HI test using prestandardized reagents.}, author = {G E Urquhart and D A Worswick and N R Grist}, year = {1976}, doi = {10.1136/jcp.29.12.1101}, url = {https://pubmed.ncbi.nlm.nih.gov/1010879/}, note = {Source identifier: 1010879} }