Genetic variation in Pneumocystis carinii isolates from different geographic regions: implications for transmission.
Beard CB, Carter JL, Keely SP, Huang L, Pieniazek NJ, Moura IN, Roberts JM, Hightower AW, Bens MS, Freeman AR, et al.
Emerg Infect Dis. 2000 May-Jun; 6(3):265-72.
[Emerg Infect Dis. 2000]