Ommer, Andreas, Iesalnieks, Igors and Doll, Dieter. "11. Sinus pilonidalis".
Band 1 Manual der Koloproktologie, edited by Alexander Herold and Thomas Schiedeck, Berlin, Boston: De Gruyter, 2019, pp. 163-176.
https://doi.org/10.1515/9783110614442-011
Ommer, A., Iesalnieks, I. & Doll, D. (2019). 11. Sinus pilonidalis. In A. Herold & T. Schiedeck (Ed.),
Band 1 Manual der Koloproktologie (pp. 163-176). Berlin, Boston: De Gruyter.
https://doi.org/10.1515/9783110614442-011
Ommer, A., Iesalnieks, I. and Doll, D. 2019. 11. Sinus pilonidalis. In: Herold, A. and Schiedeck, T. ed.
Band 1 Manual der Koloproktologie. Berlin, Boston: De Gruyter, pp. 163-176.
https://doi.org/10.1515/9783110614442-011
Ommer, Andreas, Iesalnieks, Igors and Doll, Dieter. "11. Sinus pilonidalis" In
Band 1 Manual der Koloproktologie edited by Alexander Herold and Thomas Schiedeck, 163-176. Berlin, Boston: De Gruyter, 2019.
https://doi.org/10.1515/9783110614442-011
Ommer A, Iesalnieks I, Doll D. 11. Sinus pilonidalis. In: Herold A, Schiedeck T (ed.)
Band 1 Manual der Koloproktologie. Berlin, Boston: De Gruyter; 2019. p.163-176.
https://doi.org/10.1515/9783110614442-011