KETTLE, Christine, DOWSWELL, Therese and ISMAIL, Khaled MK (2012) Continuous and interrupted suturing techniques for repair of episiotomy or second-degree tears. The Cochrane Library (11). ISSN 1469-493X
DUDLEY, Lynn M, KETTLE, Christine and ISMAIL, Khaled MK (2011) Secondary suturing compared to non-suturing for broken down perineal wounds following childbirth. The Cochrane Library, 2. ISSN 1469-493X
KETTLE, Christine, DOWSWELL, Theresa and ISMAIL, Khaled MK (2010) Absorbable suture materials for primary repair of episiotomy and second degree tears. The Cochrane Library (6). ISSN 1469-493X