| multicenter evaluation of mycobacteria identification by pcr restriction enzyme analysis in laboratories from latin america and the caribbean. | the identification of mycobacterial species in clinical isolates is essential for making patient care decisions. polymerase chain reaction (pcr) restriction enzyme analysis (pra) is a simple and rapid identification method, based on amplification of 441 bp of the hsp65 gene and restriction with bsteii and haeiii. as a contribution to the validation of pra, a multicenter study was performed in eight laboratories located in argentina, brazil, colombia, chile, and guadeloupe. each laboratory receiv ... | 2004 | 15722145 |