TY  - GEN
AU  - Massey,William V
AU  - Ku,Byungmo
AU  - Stellino,Megan B
TI  - Observations of playground play during elementary school recess
SN  - 1756-0500
PY  - 2019///0204
KW  - Child
KW  - Child Behavior
KW  - Exercise
KW  - Female
KW  - Humans
KW  - Male
KW  - Motor Activity
KW  - Play and Playthings
KW  - Psychometrics
KW  - instrumentation
KW  - Reproducibility of Results
KW  - Schools
KW  - statistics & numerical data
KW  - Sports
KW  - Urban Population
N1  - Publication Type: Journal Article; Observational Study
UR  - https://doi.org/10.1186/s13104-018-3861-0
ER  -