Detection of relapse by tumor markers versus imaging in children and adolescents with nongerminomatous malignant germ cell tumors: A report from the Children’s Oncology Group

Adriana Fonseca, Caihong Xia, Armando J. Lorenzo, Mark Krailo, Thomas A. Olson, Farzana Pashankar, Marcio H. Malogolowkin, James F. Amatruda, Deborah F. Billmire, Carlos Rodriguez-Galindo, A. Lindsay Frazier, Furqan Shaikh