@article{3114159,
    title = "Surgical Diseases of Anus and Anal Canal: Pain Caused by Anal Fissure",
    author = "Georgoulis, B.",
    journal = "Journal of the Royal Society of Medicine",
    year = "1969",
    volume = "62",
    number = "3",
    pages = "260",
    issn = "0141-0768",
    doi = "10.1177/003591576906200328"
}