RT Journal Article SR Electronic T1 Lactobacillus GG prevented nosocomial gastrointestinal and respiratory tract infections JF Archives of disease in childhood - Education & practice edition JO Arch Dis Child Educ Pract Ed FD BMJ Publishing Group Ltd and Royal College of Paediatrics and Child Health SP 238 OP 238 DO 10.1136/adc.2010.199257 VO 96 IS 6 YR 2011 UL http://ep.bmj.com/content/96/6/238.abstract AB