TY  - RPRT
TI  - Recurrent aphthous ulcers.
AU  - I I SHIP
AU  - A D MERRITT
AU  - H R STANLEY
PY  - 1962
DO  - 10.1016/0002-9343(62)90180-8
UR  - https://pubmed.ncbi.nlm.nih.gov/13912066/
ID  - 13912066
ER  -