[lemma=and] [lemma=□] □ □
[lemma=and] [lemma=their] □ □
[lemma=and] [lemma=be] □ □
These children were fed according to accepted international nutritional standards , and their mothers were adequately nourished and avoided known adverse factors such as tobacco exposure . Concordance of subjects and their mothers was greater than 93 % on questions concerning mothers smoking and 85 % regarding fathers smoking .