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JECH.22.4.199
JECH.22.4.199
http://dx.doi.org/10.1136/JECH.22.4.199
Variations in general practitioners' response to postal questionnaires.
P356
Q33699617-2985DCF9-6803-46BE-BC9A-AC794D57515B
P356
JECH.22.4.199
http://dx.doi.org/10.1136/JECH.22.4.199