TY  - RPRT
TI  - NEONATAL CRYING: A NORMATIVE STUDY.
AU  - R L RINGEL
AU  - D D KLUPPEL
PY  - 1964
DO  - 10.1159/000262979
UR  - https://pubmed.ncbi.nlm.nih.gov/14107138/
ID  - 14107138
ER  -