Surgical treatment of pediatric and adolescent papillary thyroid cancer: a retrospective study of 54 patients in a single center Yanjun Su; Shaohao Cheng; Chang Diao; Yunhai Ma; Jun Qian; Ruochuan Cheng;

Neonatal screening tests in Brazil: prevalence rates and regional and socioeconomic inequalities Mariana B. Mallmann; Yaná T. Tomasi; Antonio Fernando Boing;

Effectiveness of pneumococcal conjugate 13-valent vaccine against severe pneumonia in Panama: a matched case-control study JacquelineLevy Z; Rodrigo DeAntonio; Xavier Sáez-Llorens;