This paper presents a synthesis of the occurrence of extinct gymnosperms related to the Bennettitales, Erdtmanithecales and Gnetales group and discusses the stratigraphic setting of previously described specimens. These plants are represented by small fossil seeds collected from Lower Cretaceous (Berriasian to Lower Albian) fluvial siliciclastic deposits of the Lusitanian Basin, western Portugal, and probably c...
The authors describe their experience, from July 1995 to December 1996, in the management of patients suffering from trapeziometacarpal degenerative arthrosis. Dell's classification is used for disease staging. The results of two different techniques are compared: 1) distal tenotomy of supranumerary insertions of abductor pollicis longus; and 2) trapeziectomy with tendon interposition arthroplasty and ligamento...
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