Biomedical subjects
Publications and source records attributed to K Ludewig.
Five known and three new dihydroisocoumarins were isolated from different fungi. The new isocoumarins are 5-chloro-6-hydroxymellein, 5-chloro-4,6-dihydroxymellein and 5,6-dihydroxymellein. The absolute configuration of these secondary metabolites was confirmed by CD measurements and in two cases by X-ray structure analysis.
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Drawing on systemic thinking (i.e. constructivist systems theory) the paper reviews grossly the assumptions underlying childhood's restlessness ("hyperactivity") both as a distinct nosological entity and as foundation for different treatments. The phenomenon is considered, in accordance with contemporary ideas, as an interactional one. Two case examples serve as a starting point for gathering basic elements which, if put together, allow to understand this phenomenon without falling into the extremes of a mainly medical or a socionormative approach. This permits to make use of the systemic view in a manner that enables the therapist to adopt an attitude of respectful acceptance and understanding towards his/her small clients and their relatives.
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