challenges of the superfused ( 1 ml min-1 ) trachea with histamine ( 100-200 mug ) result in the release of prostaglandin e-like material ( 3-25 ng in terms of prostaglandin e2 ) but no prostaglandin f-like activity has been detected in the superfusate .
C0033554
prostaglandin
C0033561
prostaglandin f