The orogenital contact may allow either serotype to cause oral or A hematologic examination was carried out, and investigations for hepatitis B and HIV were done. On clinical examination an extremely tender ulcerated area was seen on the marginal and attached gingiva of the maxillary left molars. Wikimedia Commons. A method for the detection and direct typing of herpes simplex virus HSV by the polymerase chain reaction PCR technique has been developed. Table of Contents.
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