TY - GEN AU - CLARK,R L TI - The evolution of the treatment of pilonidal cysts and sinuses SN - 0019-6770 PY - 2010///1028 KW - Biological Evolution KW - Fistula KW - Humans KW - Paranasal Sinuses KW - Pilonidal Sinus KW - therapy N1 - Publication Type: Journal Article ER -