TY - CHAP M1 - Book, Section TI - Colic A1 - Hay, Jr, William W. A1 - Levin, Myron J. A1 - Deterding, Robin R. A1 - Abzug, Mark J. PY - 2017 T2 - Quick Medical Diagnosis & Treatment Pediatrics AB - An otherwise healthy infant aged 2–3 months seems to be in pain, cries for more than 3 hours a day, for more than 3 days a week, for more than 3 weeks ("rule of threes")Characterized by severe and paroxysmal crying that occurs mainly in the late afternoonColic is a behavioral sign or symptom that begins in the first few weeks of life and peaks at age 2–3 monthsIn about 30–40% of cases, colic continues into the fourth and fifth months SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accesspediatrics.mhmedical.com/content.aspx?aid=1145454751 ER -