TY - GEN AU - CLERY,A P AU - CLERY,A B TI - Pilonidal disease of the umbilicus SN - 0007-1323 PY - 1998///1101 KW - Humans KW - Pilonidal Sinus KW - Umbilicus N1 - Publication Type: Journal Article UR - https://doi.org/10.1002/bjs.18005022419 ER -