共 19 条
[1]
*AM MED ASS, 1970, DIR 4
[2]
BAKER T, 1982, US HLTH PROFESSIONAL
[4]
Bruce-Chwatt LT, 1980, ESSENTIAL MALARIOLOG
[5]
CHERKIN D, 1977, MED CARE, V15, P767
[6]
FERGUSON ME, 1970, CHRONICLE FRUITFUL C
[7]
Global Commission for the Certification of Smallpox Eradication & World Health Organization, 1980, GLOB ER SMALLP FIN R
[10]
*NAT COUNC INT HLT, 1980, DIR