| Http://: https://www.ncbi.nlm.nih.gov/articles/PMC4230074/ |
| Http://: https://rarediseases.info.nih.gov/diseases/8680/wolffian-tumor |
| Http://: https://www.ncbi.nlm.nih.gov/articles/PMC4230074/ |
| Http://: https://rarediseases.info.nih.gov/diseases/8680/wolffian-tumor |