title: The evolution of the treatment of pilonidal cysts and sinuses.
authors.forename: R L
authors.initials: RL
authors.lastname: CLARK
mesh_terms: D005075:Biological Evolution; D005402:Fistula; D006801:Humans; D010256:Paranasal Sinuses; D010864:Pilonidal Sinus / Q000628:therapy*