Kettle C, Dowswell T, Ismail KM (2017). "Comparative analysis of continual and interrupted suturing strategies for restore of episiotomy or second degree perineal tear". Kettle C (August 2010). "Absorbable suture supplies for key maintenance of episiotomy and next diploma tears" (PDF). Sabater S, Andres I, Lopez-Honrubia V, Berenguer R, Sevillano M, Jimenez-Jimenez E, Rovirosa A, Arenas M (August 9, 2017).