Vol. 22 No. 52 (1991): 52nd week - 1991
Published:
2025-07-02
Dissemination Academic Section, Division of Epidemiology,
Department of Disease Control, Ministry of Public Health,
Tiwanond Road, Talad Kwan Subdistrict, Muang District, Nonthaburi 11000, Thailand
E-mail: wesr@ddc.mail.go.th | Tel.: +66 2590 3805