Albis-Donado, Oscar Achieving Target Pressures with Combined Surgery: Primary Patchless Ahmed Valve Combined with Phacoemulsification vs Primary Phacotrabeculectomy. [electronic resource] - Journal of current glaucoma practice - 6-11 p. digital Publication Type: Journal Article; Review ISSN: 0974-0333 Standard No.: 10.5005/jp-journals-10008-1175 doi