Sumathipala, AthulaSiribaddana, SisiraDe Silva, Nandani2009-05-282009-05-282003-12-06Sumathipala A, Siribaddana S, De Silva N. Qualitative research. The Ceylon Medical Journal. 2003 Dec; 48(4): 136-9http://imsear.searo.who.int/handle/123456789/47376The Ceylon Medical Journal.engFocus GroupsHumansResearch --methodsJournal Article