Comorbidity burden in terms of disability in patients with osteoarthritis in Mexico. The IMPACTAR registry David Vega-Morales; Jorge Antonio Esquivel-Valerio; Brenda Roxana Vázquez-Fuentes; Alejandro Díaz-Borjón; César Alejandro Arce-Salinas; Everardo Álvarez-Hernández; José Fernando Torres-Roldán; José Manuel Aguilera-Zepeda; Víctor Toledo-Infanson; Ernesto Alcántar-Luna; Jorge Antonio Aldrete-Velasco; José Luis Martínez Hernández; Jaime José Gutiérrez-Gómez; Rolando Espinosa-Morales;

Results from a cross-sectional, observational study to assess inadequate pain relief in patients with knee and/or hip osteoarthritis in Mexico Ruben Burgos-Vargas; Jyoti Aggarwal; Kelly D. Johnson; Dena Ramey; Fidel Lozano; Cynthia Macahilig; Ishita Doshi; Kaan Tunceli;

Referral criteria from primary care to rheumatology: A qualitative study Ana Urruticoechea-Arana; Miguel Angel Abad-Hernandez; Raquel Almodóvar; Joan Miquel Nolla-Solé; Juan Carlos Hermosa Hernán; María Medina Abellán; Concepción Fito Manteca; José María Pego-Reinosa; José Javier Pérez Venegas; Paloma Vela; Marcos Paulino; Fernando León-Vazquez;