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Long-term efficacy of formoterol compared to salbutamol
P. R. Hekking, F. Maesen, A. Greefhorst, J. Prins, Y. Tan, P. ZweersVolume:
168
Language:
english
Pages:
7
DOI:
10.1007/bf02718117
Date:
December, 1990
File:
PDF, 320 KB
english, 1990