Population
Two families with Romano-Ward syndrome (total 23 affected subjects: 18 in one family, 5 in the other).
Design
Case_series
Authors
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Supports genetic heterogeneity in Romano-Ward syndrome; leaves open mapping of additional causative loci.
The study demonstrates genetic and phenotypic heterogeneity in Romano-Ward syndrome, with no linkage to previously reported loci on chromosomes 6 or 11.
Dean et al. (1993) studied this question.
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