McDaniel, L. S., McDaniel, D. O., Hollingshead, S. K., & Briles, D. E. (1998). Comparison of the PspA Sequence from Streptococcus pneumoniae EF5668 to the Previously Identified PspA Sequence from Strain Rx1 and Ability of PspA from EF5668 To Elicit Protection against Pneumococci of Different Capsular Types. American Society for Microbiology.

McDaniel, Larry S., D. Olga McDaniel, Susan K. Hollingshead, and David E. Briles. Comparison of the PspA Sequence From Streptococcus Pneumoniae EF5668 to the Previously Identified PspA Sequence From Strain Rx1 and Ability of PspA From EF5668 To Elicit Protection against Pneumococci of Different Capsular Types. American Society for Microbiology, 1998.

McDaniel, Larry S., D. Olga McDaniel, Susan K. Hollingshead, and David E. Briles. Comparison of the PspA Sequence From Streptococcus Pneumoniae EF5668 to the Previously Identified PspA Sequence From Strain Rx1 and Ability of PspA From EF5668 To Elicit Protection against Pneumococci of Different Capsular Types. American Society for Microbiology, 1998.