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1
BF01308595
BF01308595
http://dx.doi.org/10.1007/BF01308595
The symptom index. Differential usefulness in suspected acid-related complaints of heartburn and chest pain.
P356
Q40831317-768E9E9C-1484-4ED0-A19F-5CCF164CE25A
P356
BF01308595
http://dx.doi.org/10.1007/BF01308595