1. Recurrent aphthae: treatment with vitamin B12, folic acid, and iron. Issue 5969 (31st May 1975) Authors: Wray, D; Ferguson, M M; Mason, D K; Hutcheon, A W; Dagg, J H Journal: BMJ Issue: Volume 2:Issue 5969(1975) Page Start: 490 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗