PT - JOURNAL ARTICLE AU - Lindsay Forbes TI - Do exogenous oestrogens and progesterone influence asthma? AID - 10.1136/thx.54.3.265 DP - 1999 Mar 01 TA - Thorax PG - 265--267 VI - 54 IP - 3 4099 - http://thorax.bmj.com/content/54/3/265.short 4100 - http://thorax.bmj.com/content/54/3/265.full SO - Thorax1999 Mar 01; 54