TY  - RPRT
TI  - Persistent crying in infancy: a persistent clinical conundrum.
AU  - F Oberklaid
PY  - 2000
DO  - 10.1046/j.1440-1754.2000.00516.x
UR  - https://pubmed.ncbi.nlm.nih.gov/10940157/
ID  - 10940157
ER  -