TY - JOUR AU - Li, A. M. PY - 2007 DA - 2007// TI - Standard reference for the six-minute-walk test in healthy children aged 7 to 16 years JO - Am J Respir Crit Care Med VL - 176 UR - https://doi.org/10.1164/rccm.200607-883OC DO - 10.1164/rccm.200607-883OC ID - Li2007 ER - TY - JOUR AU - Lammers, A. E. PY - 2008 DA - 2008// TI - The 6-minute walk test: normal values for children of 4-11 years of age JO - Arch Dis Child VL - 93 UR - https://doi.org/10.1136/adc.2007.123653 DO - 10.1136/adc.2007.123653 ID - Lammers2008 ER - TY - JOUR AU - Society, A. T. PY - 2002 DA - 2002// TI - ATS statement: guidelines for the six-minute walk test JO - Am J Respir Crit Care Med VL - 166 UR - https://doi.org/10.1164/ajrccm.166.1.at1102 DO - 10.1164/ajrccm.166.1.at1102 ID - Society2002 ER -