Parkin, N. T., Hellmann, N. S., Whitcomb, J. M., Kiss, L., Chappey, C., & Petropoulos, C. J. (2004). Natural Variation of Drug Susceptibility in Wild-Type Human Immunodeficiency Virus Type 1. Antimicrob Agents Chemother.

Parkin, N. T., N. S. Hellmann, J. M. Whitcomb, L. Kiss, C. Chappey, ja C. J. Petropoulos. "Natural Variation of Drug Susceptibility in Wild-Type Human Immunodeficiency Virus Type 1." Antimicrob Agents Chemother 2004.

Parkin, N. T., et al. "Natural Variation of Drug Susceptibility in Wild-Type Human Immunodeficiency Virus Type 1." Antimicrob Agents Chemother 2004.