Evolution of human immunodeficiency virus type 1 nucleotide sequence diversity among close contacts.
Proc Natl Acad Sci U S A. 1991 Dec 15;88(24):11236-40. doi: 10.1073/pnas.88.24.11236.
Proc Natl Acad Sci U S A. 1991.
PMID: 1763038
Free PMC article.