RECURRENT ABDOMINAL PAIN OF CHILDHOOD DUE TO LACTOSE INTOLERANCE: A PROSPECTIVE STUDYBARR RG; LEVINE MD; WATKINS JB et al.1979; NEW ENGL. J. MED.; USA; DA. 1979; VOL. 300; NO 26; PP. 1449-1452; BIBL. 27 REF.Article

BREATH TESTS IN PEDIATRIC GASTROINTESTINAL DISORDERS: NEW DIAGNOSTIC OPPORTUNITIESBARR RG; PERMAN JA; SCHOELLER DA et al.1978; PEDIATRICS; USA; DA. 1978; VOL. 62; NO 3; PP. 393-401; BIBL. 74 REF.Article

POTENTIAL BIOBEHAVIORAL MECHANISMS OF RECURRENT ABDOMINAL PAIN IN CHILDRENFEUERSTEIN M; BARR RG; FRANCOEUR TE et al.1982; PAIN (AMST.); ISSN 0304-3959; NLD; DA. 1982; VOL. 13; NO 3; PP. 287-298; BIBL. 40 REF.Article