Were the groups in the trabeculectomy versus Ahmed valve study really comparable?
O A R
OA
Mahroo
R
R
Stanbury
K S
KS
Lim
D020327:Glaucoma Drainage Implants; D005902:Glaucoma, Open-Angle / Q000601:surgery*; D006801:Humans; D012107:Research Design; D014130:Trabeculectomy / Q000379:methods*