title: Authors' response to control issues.
authors.forename: Hanspeter Esriel
authors.initials: HE
authors.lastname: Killer
authors.forename: Gregor Peter
authors.initials: GP
authors.lastname: Jaggi
mesh_terms: D003094:Collagen / Q000378:metabolism*; D003315:Cornea / Q000378:metabolism*; D005260:Female; D006801:Humans; D007640:Keratoconus / Q000188:drug therapy*; D008297:Male; D010778:Photochemotherapy / Q000379:methods*; D012256:Riboflavin / Q000627:therapeutic use*
chemical_list: D003094:Collagen; D012256:Riboflavin