Herbert J Cohen

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This is a cross-sectional study that compares lifetime prevalence of gastrointestinal (GI) symptoms in children with autistic spectrum disorders (ASDs) and children with typical development and with other developmental disabilities (DDs) and examines the association of GI symptoms with a family history of autoimmune disease. A structured interview was(More)
OBJECTIVE To identify age group differences in care practices and outcomes for seriously ill hospitalized patients with malignancy. DESIGN Prospective cohort study (SUPPORT project). SETTING Five United States teaching hospitals; data was gathered between 1989 and 1994. SUBJECTS Nine hundred twenty five older (age > or = 65 years), 983 middle aged(More)
Few studies have compared gastrointestinal problems in children with an autism spectrum disorder with and without a history of language regression. A cross-sectional study was conducted with structured interviews in 100 children with autism spectrum disorder, using a gastrointestinal questionnaire and a familial autoimmune questionnaire. By parental report,(More)
OBJECTIVE To assess the effect of age on driving skills independent of the limitations related to disease or dementia. DESIGN Prospective comparison of driving skills across three age groups. SETTING A university-based research study of student and university-affiliated volunteers. PARTICIPANTS Healthy elderly (age 65+), teen-age (age 18-19), and(More)
OBJECTIVE The objective of this work was to identify similarities and differences in primary attending physicians' (generalists' versus oncologists') care practices and outcomes for seriously ill hospitalized patients with malignancy. DESIGN This was a prospective cohort study (SUPPORT project). SETTING Subjects were recruited from 5 US teaching(More)
An AIDS-like disease in infants was first described in 1982, with 2 types of clinical pictures reported: a full-blown syndrome and a prodromal stage. Some adults with AIDS have a progressive encephalopathy and suble cognitive changes. A study was initiated to determine whether 6 AIDS children, ages 10 mos. to 6 yrs. exhibited developmental abnormalities.(More)