RT Book, Section A1 Hay, Jr, William W. A1 Levin, Myron J. A1 Deterding, Robin R. A1 Abzug, Mark J. SR Print(0) ID 1145454835 T1 Constipation T2 Quick Medical Diagnosis & Treatment Pediatrics YR 2017 FD 2017 PB McGraw-Hill Education PP New York, NY SN 9781264257614 LK accesspediatrics.mhmedical.com/content.aspx?aid=1145454835 RD 2024/03/28 AB Most constipation in childhood is a result of voluntary or involuntary retentive behavior (chronic retentive constipation)About 2% of healthy primary school children have chronic retentive constipationRatio of males to females may be as high as 4:1