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The introduction of endoscopy into the amniotic sac and the chorionic membranes. gynaecology has produced dramatic changes in clinical practice. lt is gratifying Many operative procedures can now be that gynaecologists were the first practi carried out safely and swiftly with little tioners to take advantage of the introduc disturbance to the patient under endosco tion of cold-light systems and the develop pic vision. Biopsy of tissues can be per ment by Professor H. Hopkins of the red formed without undue risk. Moreover, lens system. No Ionger was the diagnosis permanent records of the pathology can of pelvic disease dependent on signs and be made by photography, films and symptoms, limited...
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This volume brings together different 'schools' of ecological investigation of woodlands. After a description of the structure and floristic composition of the research sites, involving a comparison of boreal, temperate, Mediterranean and tropical forest, the study goes on to consider the dynamic aspects of the woodland formation.