A. Campos-Neto, V. Rodrigues-Junior, D.B. Pedral-Sam- paio, E.M. Netto, P.J. Ovendale, R.N. Coler, Y.A. Skeiky, R. Badaro, S.G. Reed. Evaluation of DPPD, a single recombinant Mycobacterium tuberculosis protein as an alternative antigen for the Mantoux test. Tuberculosis (Edinb ) (2001); 81:353-8.
 R.N. Coler, Y.A. Skeiky, P.J. Ovendale, T.S. Vedvick, L. Gervassi, J. Guderian, S. Jen, S.G. Reed, A. Campos- Neto. Cloning of a Mycobacterium tuberculosis gene encoding a purified protein derivative protein that elicits strong tuberculosis-specific delayed-type hypersensitivity. J Infect Dis (2000); 182:224-33.
 I. Schiller, H.M. Vordermeier, W.R. Waters, A.O. Whelan, M. Coad, E. Gormley, B.M. Buddle, M. Palmer, T. Thacker, J. McNair, M. Welsh, R.G. Hewinson, B. Oesch. Bovine tuberculosis: effect of the tuberculin skin test on in vitro interferon gamma responses. Vet Immunol Immunopathol (2010); 136:1-11.
 M.S. Rangel-Frausto, S. Ponce-De-Leon-Rosales, C. Martinez-Abaroa, K. Haslov. Tuberculosis and tuberculin quality: best intentions, misleading results. Infect Control Hosp Epidemiol (2001); 22:481-4.
 M.E. Villarino, M.J. Brennan, C.M. Nolan, A. Catanzaro, L.L. Lundergan, N.N. Bock, C.L. Jones, Y.C. Wang, W.J. Burman. Comparison testing of current (PPD-S1) and proposed (PPD-S2) reference tuberculin standards. Am J Respir Crit Care Med (2000); 161:1167-71.
 D.L. Whipple, M.V. Palmer, R.E. Slaughter, S.L. Jones. Comparison of purified protein derivatives and effect of skin testing on results of a commercial gamma interferon assay for diagnosis of tuberculosis in cattle. J Vet Diagn Invest (2001); 13:117-22.
 C. Liu, E. Flamoe, H.J. Chen, D. Carter, S.G. Reed, A. Campos-Neto. Expression and purification of immunologically reactive DPPD, a recombinant Mycobacterium tuberculosis skin test antigen, using Mycobacterium smegmatis and Escherichia coli host cells. Can J Microbiol (2004); 50:97-105.
 K.F. Ogle, K.K. Lee, D.C. Krause. Nucleotide sequence analysis reveals novel features of the phase-variable cytadherence accessory protein HMW3 of Mycoplasma pneumoniae. Infect Immun (1992); 60:1633-41.
 T. Proft, H. Hilbert, G. Layh-Schmitt, R. Herrmann. The proline-rich P65 protein of Mycoplasma pneumoniae is a component of the Triton X-100-insoluble fraction and exhibits size polymorphism in the strains M129 and FH. J Bacteriol (1995); 177:3370-8.
 A. Wang, J. Clapper, J.A. Guderian, T.M. Foy, G.R. Fanger, M.W. Retter, Y.A. Skeiky. A novel method for increasing the expression level of recombinant proteins. Protein Expr Purif (2003); 30:124-33.