TY  - GEN
AU  - Hassan,M A
TI  - Simultaneous occurrence of umbilical and postanal pilonidal sinus
SN  - 0256-9574
PY  - 1969///0515
KW  - Adult
KW  - Humans
KW  - Male
KW  - Pilonidal Sinus
KW  - pathology
KW  - Sacrococcygeal Region
KW  - Umbilicus
N1  - Publication Type: Journal Article
ER  -