TY  - GEN
AU  - Sever,L E
TI  - Seasonality in Down syndrome
SN  - 0140-6736
PY  - 1977///0527
KW  - Adult
KW  - Down Syndrome
KW  - etiology
KW  - Female
KW  - Humans
KW  - Maternal Age
KW  - Seasons
N1  - Publication Type: Letter
UR  - https://doi.org/10.1016/s0140-6736(77)92201-2
ER  -