Malay schoolboys in the coastal region of Perak were investigated as to the presence of vitamin C deficiency. Although the subjects were drawn from that part of the population of Malaya most prone to this deficiency, only a few showed subnormal excretions of ascorbic acid in the urine. Few of the abnormal clinical signs noted in the boys could be attributed to lack of the vitamin. Special tests for detecting vitamin C deficiency did not give satisfactory results
