R M Martínez-Magdaleno

  • Citations Per Year
Learn More
OBJECTIVE To evaluate the tuberculin reactivity among medical students and the utility of RT-23 (2 tuberculin unit [TU] purified protein derivative [PPD]) produced in Mexico. DESIGN A blind and comparative study was conducted in a school of medicine using simultaneously RT-23 and an American product (5 TU PPD) randomly assigned to each forearm and read 48(More)
  • 1