PT  - JOURNAL ARTICLE
AU  - M T Haqqani
AU  - B D Hancock
TI  - Internal sphincter and haemorrhoids: a pathological study.
AID  - 10.1136/jcp.31.3.268
DP  - 1978 Mar 01
TA  - Journal of Clinical Pathology
PG  - 268--270
VI  - 31
IP  - 3
4099  - http://jcp.bmj.com/content/31/3/268.short
4100  - http://jcp.bmj.com/content/31/3/268.full
SO  - J Clin Pathol1978 Mar 01; 31
AB  - Histological examination of the lower margin of the internal sphincter has demonstrated an increased amount of fibrous tissue in patients with haemorrhoids compared with controls. This finding may be of relevance to the treatment of haemorrhoids by maximal anal dilatation.