A new technology for applanation free corneal trephination: the picosecond infrared laser (PIRL). oleh Stephan J Linke, Andreas Frings, Ling Ren, Amadeus Gomolka, Udo Schumacher, Rudolph Reimer, Nils-Owe Hansen, Nathan Jowett, Gisbert Richard, R J Dwayne Miller