Constipation and functional faecal retention in a group of school children in a district in Sri Lanka
Shaman Rajindrajith,
Niranga Devanarayana,
Sachith Mettananda,
Priyantha Perera,
Sanofer Jasmin,
Udara Karunarathna,
Deshan Adhihetty,
Ruwan Goonewardena