Threshold values of sagittal abdominal diameter for the detection of cardio-metabolic risk factors in Northeastern Mexico: a cross-sectional study oleh Francisco Javier Guzmán de la Garza, Ana María Salinas-Martínez, Eduardo González-Guajardo, Magda Gabriela Palmero-Hinojosa, Jorge Castro-Garza, Juan Carlos Ramírez-Zúñiga, Javier Vargas-Villarreal, Álvaro Mathiew-Quiros, Laura Hermila de la Garza-Salinas