![Pedro HALLAL | PhD in Epidemiology | Universidade Federal de Pelotas, Pelotas | UFPEL | Center for Epidemiological Research | Research profile Pedro HALLAL | PhD in Epidemiology | Universidade Federal de Pelotas, Pelotas | UFPEL | Center for Epidemiological Research | Research profile](https://www.researchgate.net/profile/Julio-Mello/publication/362466147/figure/tbl1/AS:1185178940641287@1659580087837/Members-of-the-Steering-Committee_Q320.jpg)
Pedro HALLAL | PhD in Epidemiology | Universidade Federal de Pelotas, Pelotas | UFPEL | Center for Epidemiological Research | Research profile
![Sample characteristics according to tooth bleaching and to desire for... | Download Scientific Diagram Sample characteristics according to tooth bleaching and to desire for... | Download Scientific Diagram](https://www.researchgate.net/publication/337586722/figure/tbl1/AS:830965832228864@1575129101238/Sample-characteristics-according-to-tooth-bleaching-and-to-desire-for-dental-esthetic.png)
Sample characteristics according to tooth bleaching and to desire for... | Download Scientific Diagram
![Letras Licentiate Fleur-de-lis Federal University of Pelotas Embroidery, Flor de lis, purple, logo png | PNGEgg Letras Licentiate Fleur-de-lis Federal University of Pelotas Embroidery, Flor de lis, purple, logo png | PNGEgg](https://e7.pngegg.com/pngimages/291/656/png-clipart-letras-licentiate-fleur-de-lis-federal-university-of-pelotas-embroidery-flor-de-lis-purple-logo.png)
Letras Licentiate Fleur-de-lis Federal University of Pelotas Embroidery, Flor de lis, purple, logo png | PNGEgg
![Federal University Of Pelotas Vector Graphics 0 School Drawing, PNG, 1566x1566px, 2018, Art, Drawing, Human Behavior, Federal University Of Pelotas Vector Graphics 0 School Drawing, PNG, 1566x1566px, 2018, Art, Drawing, Human Behavior,](https://img.favpng.com/10/3/25/federal-university-of-pelotas-vector-graphics-0-school-drawing-png-favpng-yb2rD3LxnnEmKYzLDj6eT82ce.jpg)