TY  - GEN
AU  - Allen,Hugh D
AU  - Adam,Henry M
AU  - Zenel,Joseph A
TI  - Then and Now: A Sampling
SN  - 1526-3347
PY  - 2020///0629
KW  - History, 20th Century
KW  - Humans
KW  - Pediatrics
KW  - history
KW  - Periodicals as Topic
N1  - Publication Type: Historical Article; Journal Article
UR  - https://doi.org/10.1542/pir.2019-40S04
ER  -