Nadiger, HA (1980). «Role of vitamin E in the aetiology of phrynoderma (follicular hyperkeratosis) and its interrelationship with B-complex vitamins». British Journal of Nutrition. 44 (3): 211–4. PMID7437404. doi:10.1079/bjn19800033
Nadiger, HA (1980). «Role of vitamin E in the aetiology of phrynoderma (follicular hyperkeratosis) and its interrelationship with B-complex vitamins». British Journal of Nutrition. 44 (3): 211–4. PMID7437404. doi:10.1079/bjn19800033