Umbilical endometriosis.
Frischknecht F, Raio L, Fleischmann A, Dreher E, Lüscher KP, Mueller MD.
Frischknecht F, et al. Among authors: mueller md.
Surg Endosc. 2004 Feb;18(2):347. doi: 10.1007/s00464-003-4245-6.
Surg Endosc. 2004.
PMID: 15106631
Free article.
Review.