At the time of emergency he / she could be of great help if he / she is aware of the child health problems and their cure .
At the time of an emergency he / she could be of great help if he / she is aware of the child health problems and their cure . At the time of emergency he/she could be of great help if he/she is aware of the child health problems and the cure . At the time of emergency , he/she could be of great help if he/she is aware of the child 's health problems and their cure . At the time of an emergency he / she could be of great help if he / she is aware of the child 's health problems and their cure .