00493nam a22001217a 4500040003600000082002000036100002900056245006900085260005100154300003300205500003800238650009500276  cRiphah International University  a616.858842bQUR  aQuratulain Rizvi (13005)  aPatterns of phonological errors in children with down's syndrome  aLahore.bRiphah International Universityc2014  axv , 65 p.b: ill.c; 30 cm.  aInclude bibliographical reference  aSpeech Language aPathologyvPhonological errorsvDown syndromevDisease vMS-SLPvRCR&AHS