APA引文

Porter, K., Babiker, A., Walker, S., Darbyshire, J., Gill, N., Beral, V., . . . Rezza, G. (2000). Effect of ignoring the time of HIV seroconversion in estimating changes in survival over calendar time in observational studies: Results from CASCADE.

Chicago Style (17th ed.) Citation

Porter, K., et al. Effect of Ignoring the Time of HIV Seroconversion in Estimating Changes in Survival over Calendar Time in Observational Studies: Results from CASCADE. 2000.

MLA引文

Porter, K., et al. Effect of Ignoring the Time of HIV Seroconversion in Estimating Changes in Survival over Calendar Time in Observational Studies: Results from CASCADE. 2000.