@misc{indiciaef72fc0271e56, title = {Letter: Non-cholera Virbios.}, author = {W B Greenough}, year = {1974}, doi = {10.1016/s0140-6736(74)93170-5}, url = {https://pubmed.ncbi.nlm.nih.gov/4131052/}, note = {Source identifier: 4131052} }