@misc{indiciae9368c2c9e6ce, title = {Pilonidal sinus of the prepuce.}, author = {J D Ritchie}, year = {1975}, doi = {10.1111/j.1464-410x.1975.tb06267.x}, url = {https://pubmed.ncbi.nlm.nih.gov/1191931/}, note = {Source identifier: 1191931} }