SOVIET DISSIDENT CITES HIS ORDEAL
Medvedev defies Soviet officials, writes journal of his arrest and detention in mental hosp in '70; journal, A Question of Madness, was pub in Russian by Macmillan Ltd (London) and will be pub by A A Knopf in English translation; journal denounces 'dangerous tendency' in USSR to use psychiatric confinement to punish dissenters, viewing this as part of renewed trend to subordinate science to ideology, common practice under Stalin; notes Medvedev's critical writings were reason for his detention, not assumption that he was mentally ill; Medvedev's brother, who wrote part of journal, notes book was written after Govt failed to keep promise to destroy Medvedev's 'false medical record,' which Govt agreed to do if Medvedev forgot incident
