Tetanus toxoid hypersensitivity.
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Adolescent↗
Biomedical subjects
K Vellayappan
Publications and source records attributed to K Vellayappan.
Report of a case of unilateral pulmonary aplasia and review of literature.
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Congenital Abnormalities↗
Measles: mortality and morbidity in Singapore children.
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Child↗
Reference values for serum immunoglobulins and complement C3 and C4 of Singapore children.
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Adolescent↗
Mycoplasma pneumoniae infections in childhood.
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Child↗
Study on exercise-induced asthma in asthmatic children--a preliminary report.
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Asthma↗