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Brucella endocarditis of the aortic valve.
Leandro J, Roberto H, Antunes M. Leandro J, et al. Among authors: roberto h. Eur J Cardiothorac Surg. 1998 Jan;13(1):95-7. doi: 10.1016/s1010-7940(97)00296-0. Eur J Cardiothorac Surg. 1998. PMID: 9504738 Free article.
HIV prevention among high-risk and hard-to-reach rural residents.
Leukefeld C, Roberto H, Hiller M, Webster M, Logan TK, Staton-Tindall M. Leukefeld C, et al. Among authors: roberto h. J Psychoactive Drugs. 2003 Oct-Dec;35(4):427-34. doi: 10.1080/02791072.2003.10400489. J Psychoactive Drugs. 2003. PMID: 14986871 Clinical Trial.