PT  - JOURNAL ARTICLE
AU  - T J Torphy
AU  - B J Undem
TI  - Phosphodiesterase inhibitors: new opportunities for the treatment of asthma.
AID  - 10.1136/thx.46.7.512
DP  - 1991 Jul 01
TA  - Thorax
PG  - 512--523
VI  - 46
IP  - 7
4099  - http://thorax.bmj.com/content/46/7/512.short
4100  - http://thorax.bmj.com/content/46/7/512.full
SO  - Thorax1991 Jul 01; 46