TY  - GEN
AU  - Savitz,D A
TI  - Only some questions of cause and effect can be evaluated in highly selected populations
SN  - 1471-0528
PY  - 2019///0215
KW  - Humans
KW  - Infant, Newborn
KW  - Infant, Newborn, Diseases
N1  - Publication Type: Journal Article; Comment
UR  - https://doi.org/10.1111/1471-0528.15001
ER  -