P13-06 Comparison of overall immunity levels among workers at grape or pear orchards, rose greenhouse, and open-field onion farms. (1st September 2022) - Maharjan, A.; Acharya, M.; Lee, D.; C, P.B. K; Kusma, S.; Adhikari, M.; Lee, J.; Kim, J.; Kim, M.; Park, K.; Park, H.; Hwang, S.R.; et al.