Clarifying Methodological Concerns in the Study of Sacrococcygeal Teratomas: Cohort or Ecological Study?
Author / Expert
Ana M. Rendón-Garavito, Wanderley Augusto Arias-Ortiz, Johan Sebastian Ayala Gutierrez
Topic overview
We read with great interest the article “Sacrococcygeal teratomas in children and adolescents – a Danish 26-year retrospective cohort study” by Lundbæk and colleagues (1).
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