TY  - RPRT
TI  - Excessive infant crying: definitions determine risk groups.
AU  - S A Reijneveld
AU  - E Brugman
AU  - R A Hirasing
PY  - 2002
DO  - 10.1136/adc.87.1.43
UR  - https://pubmed.ncbi.nlm.nih.gov/12089122/
ID  - 12089122
ER  -