TY - GENERIC DO - 10.20944/preprints202306.0386.v2 UR - http://dx.doi.org/10.20944/preprints202306.0386.v2 TI - Factors for Occupational Exposure to Ultrafine Particles in Different Sectors of Activity T2 - Preprints AU - Moreira, Fernando AU - Ferreira, Ana AU - Barros, Nelson PY - 2024 DA - 2024/01/30 PB - Preprints