@misc{indiciae0678ee993d45, title = {A period or not?}, author = {D J Kanabar and M Agrawal and A Saunders}, year = {1998}, doi = {10.1016/s0140-6736(97)12225-5}, url = {https://pubmed.ncbi.nlm.nih.gov/9519953/}, note = {Source identifier: 9519953} }