Beal, C., Goldsmith, R., Kotby, M., Sherif, M., el-Tagi, A., Farid, A., . . . Eapen, J. (1992). The plastic envelope method, a simplified technique for culture diagnosis of trichomoniasis.

Beal, C., R. Goldsmith, M. Kotby, M. Sherif, A. el-Tagi, A. Farid, S. Zakaria, and J. Eapen. The Plastic Envelope Method, a Simplified Technique for Culture Diagnosis of Trichomoniasis. 1992.

Beal, C., et al. The Plastic Envelope Method, a Simplified Technique for Culture Diagnosis of Trichomoniasis. 1992.