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Mean symptoms scores. Mean symptom scores covering a four week period commencing ten weeks after starting inhaled sodium cromoglicate treatment. Dosage of inhaled sodium cromoglicate 80 mg/day throughout. Menstrual bleed occurred during Week 3 of this four-week period. N.B. 'y' axis shows 0-3 range of 0-4 scale. Key: solid black columns - Week 1; columns with vertical lines - week 2; columns with horizontal lines - week 3; columns with diagonal lines - week 4.
