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- [1] IMPROVEMENT IN BRONCHIAL SQUAMOUS METAPLASIA IN SMOKERS TREATED WITH FOLATE AND VITAMIN-B12 AMERICAN JOURNAL OF CLINICAL NUTRITION, 1987, 45 (04): : 866 - 866
- [2] IMPROVEMENT IN BRONCHIAL SQUAMOUS METAPLASIA IN SMOKERS TREATED WITH FOLATE AND VITAMIN-B12 - REPORT OF A PRELIMINARY RANDOMIZED, DOUBLE-BLIND INTERVENTION TRIAL JAMA-JOURNAL OF THE AMERICAN MEDICAL ASSOCIATION, 1988, 259 (10): : 1525 - 1530