Use of different reference values for handgrip strength in individuals with COPD: analysis of agreement, discriminative capacity, and main clinical implications. - Fonseca J; Machado FVC; Santin LC; Medeiros L; Andrello AC; Hernandes NA; Pitta F (Jornal brasileiro de pneumologia : publicacao oficial da Sociedade Brasileira de Pneumologia e Tisilogia, 2022)