TY  - JOUR 
T1  - Femtosecond-assisted intrastromal corneal ring implantation for
               keratoconus treatment: a comparison with crosslinking combination
JO  - Arquivos Brasileiros de Oftalmologia
A1  - Ferenczy, Peter Alexander von Harbach
A1  - Dalcegio, Maiara
A1  - Koehler, Marcela
A1  - Pereira, Thiago Silveira
A1  - Moreira, Hamilton
A1  - Luciane Bugmann, Moreira
SN  - 0004-2749
UL  - 10.5935/0004-2749.20150021
VL  - 78 
Y1  - 2015
PB  - Brasil 
ER  -