TY  - GEN
AU  - HAMMON,W M
TI  - Research and standards
SN  - 0002-9572
PY  - 2003///0501
KW  - Humans
KW  - Public Health
KW  - Reference Standards
KW  - Research
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.2105/ajph.43.5_pt_2.69
ER  -