共 7 条
[1]
[Anonymous], 1994, EPI INFO VERSION 6 W
[2]
[Anonymous], 1983, MEAS CHANG NUTR STAT, VWorld Health Organization (WHO)
[3]
Lwanga S. K., 1991, Sample size determination in health studies: a practical manual
[5]
REES DG, 1995, ESSENTIAL STAT
[6]
*UN HIGH COMM REF, 1991, RAP NUTR SURV POP EM
[7]
*WHO, 1988, WHOEPIMLMCOV88