1. Vitrectomy. 1. Instrumentarium and operative technic;Buttner;Ber Zusammenkunft Dtsch Ophthalmol Ges,1972
2. A new concept for vitreous surgery. 7. Two instrument techniques in pars plana vitrectomy;Machemer;Arch Ophthalmol,1974
3. Advances in vitrectomy through the pars-plana (author's transl);Machemer;Klin Monbl Augenheilkd,1974
4. Vitrectomy: a pars plana approach;Machemer;Trans Am Acad Ophthalmol Otolaryngol,1971
5. Vitrectomy, a pars plana approach. Instrumentation;Machemer;Mod Probl Ophthalmol,1972