Phatouros CC, Higashida RT, Malek AM, Smith WS, Mully TW, DeArmond SJ, Dowd CF, Halbach VV PMID: 10069607
Rousseau A, Mock D, Dover DG, Jordan RC PMID: 10102598
Imamura F, Mukai M, Ayaki M, Takemura K, Horai T, Shinkai K, Nakamura H, Akedo H PMID: 10411106
Kushner J, Bradley G, Young B, Jordan RC PMID: 9950254
Patrick E, Juberg DR, O'Donoghue J, Maibach HI PMID: 10227740
Shahidullah H, Frieden IJ PMID: 10052420