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Aymard-Henry M, Coleman MT, Dowdle WR, Laver WG, Schild GC, Webster RG.Aymard-Henry M, et al. Among authors: laver wg.Bull World Health Organ. 1973;48(2):199-202.Bull World Health Organ. 1973.PMID: 4541685Free PMC article.
Webster RG, Laver WG.Webster RG, et al. Among authors: laver wg.Bull World Health Organ. 1972;47(4):449-52.Bull World Health Organ. 1972.PMID: 4540994Free PMC article.
Downie JC, Webster RG, Schild GC, Dowdle WR, Laver WG.Downie JC, et al. Among authors: laver wg.Bull World Health Organ. 1973;49(6):559-66.Bull World Health Organ. 1973.PMID: 4548383Free PMC article.
Laver WG, Webster RG.Laver WG, et al.Postgrad Med J. 1976 Jun;52(608):373-8. doi: 10.1136/pgmj.52.608.373.Postgrad Med J. 1976.PMID: 785428Free PMC article.Clinical Trial.