Darias، V.؛ Bravo، L.؛ Abdallah، S. S.؛ Sánchez Mateo، C. C.؛ Expósito-Orta، M. A.؛ Lissavetsky، J.؛ Manzanares، J. (1992). "Synthesis and preliminary pharmacological study of thiophene analogues of the antipyretic and analgesic agent ethenzamide". Archiv der Pharmazie. ج. 325 ع. 2: 83–87. DOI:10.1002/ardp.19923250206. PMID:1605721.
Wang، P. J.؛ Guo، H. R. (2004). "Frequent analgesics consumption in migraineurs: Comparison between chronic and episodic migraineurs". The Journal of Headache and Pain. ج. 5: 30. DOI:10.1007/s10194-004-0065-x.
Darias، V.؛ Bravo، L.؛ Abdallah، S. S.؛ Sánchez Mateo، C. C.؛ Expósito-Orta، M. A.؛ Lissavetsky، J.؛ Manzanares، J. (1992). "Synthesis and preliminary pharmacological study of thiophene analogues of the antipyretic and analgesic agent ethenzamide". Archiv der Pharmazie. ج. 325 ع. 2: 83–87. DOI:10.1002/ardp.19923250206. PMID:1605721.