1. A double-blind comparison of placebo, codeine and fenoprofen in patients with postpartum pain;Bettigole;Curr Ther Res.,1981
2. Aspirin and codeine in two post-partum pain models;Bloomfield;Clin Pharmacol Therap.,1976
3. Aspirin and aspirin-caffeine in post-partum pain relief;Jain;Clin Pharmacol Therap.,1978
4. Different dose-response curves for aspirin in two types of post-partum pain;Kantor;Fed Proc.,1966
5. Fenoprofen and codeine analgesia;Laska;Clin Pharmacol Therap.,1980