@misc{indiciaeca236df7ee35, title = {Parallel testing with crude heart extract Wassermann antigens.}, author = {I N O PRICE and A E WILKINSON}, year = {1951}, doi = {10.1136/sti.27.4.191}, url = {https://pubmed.ncbi.nlm.nih.gov/14896010/}, note = {Source identifier: 14896010} }