A new formula proposal for placing pH-impedance catheters in pediatric patients P.X. Sempértegui-Cárdenas; E.M. Toro-Monjaraz; F.E. Zárate-Mondragón; K. Ignorosa-Arellano; J.F. Cadena-León; R. Cervantes-Bustamante; E. Montijo-Barrios; J.A. Ramírez-Mayans;

Perivascular mast cells and expression of vascular endothelial growth factor, laminin-332 and matrix metalloproteinase-9 in human colorectal neoplasms L. Meloti-Fiorio; I. Silva-Sinara-Alves; F. Rohor-de-Souza; W. Grassi-Bautz; F. Silva-Souza-Ribeiro; L. Pinto-Nogueira-da-Gama; L. Nogueira-da-Gama-de-Souza;

Efficacy, safety, and acceptability of polyethylene glycol 3350 without electrolytes vs magnesium hydroxide in functional constipation in children from six months to eighteen years of age: A controlled clinical trial L. Worona-Dibner; R. Vázquez-Frias; L. Valdez-Chávez; M. Verdiguel-Oyola;