This work presents an approach to the study of comparative politics that builds on the assumption that political actors and institutions operate within constructed communities of meaning, which in turn interface with other such communities.

This work presents an approach to the study of comparative politics that builds on the assumption that political actors and institutions operate within constructed communities of meaning, which in turn interface with other such communities.

The field of pediatric oncology encompasses four groups of malignancies - acute leukemias, brain tumors, lymphomas and solid tumors. 1'he history, diagnosis and management of children with acute leukemias and lymphomas has been thoroughly examined in several excellent textbooks of pediatric hematology and oncology. Bl"ain tumors have historically been managed by neurosurgeons and radiation therapists. 1'he role of the pediatric oncologist in the management of these patients is evolving. This book was written to provide a thorough historical evaluation of the most frequent solid tumors of...

The field of pediatric oncology encompasses four groups of malignancies - acute leukemias, brain tumors, lymphomas and solid tumors. 1'he history, diagnosis and management of children with acute leukemias and lymphomas has been thoroughly examined in several excellent textbooks of pediatric hematology and oncology. Bl"ain tumors have historically been managed by neurosurgeons and radiation therapists. 1'he role of the pediatric oncologist in the management of these patients is evolving. This book was written to provide a thorough historical evaluation of the most frequent solid tumors of...