TY  - GEN
AU  - Helfand,M
TI  - More on screening for mild thyroid failure
SN  - 0098-7484
PY  - 1997///0220
KW  - Cost-Benefit Analysis
KW  - Humans
KW  - Mass Screening
KW  - economics
KW  - Thyroid Diseases
KW  - Thyroxine
N1  - Publication Type: Letter
ER  -