| bites by the colubrid snake philodryas olfersii: a clinical and epidemiological study of 43 cases. | less than 10 cases of bites by philodryas olfersii (colubridae) have been reported in the literature. in this study, 43 patients admitted to the instituto butantan, são paulo, brazil, with the diagnosis of p. olfersii bite from 1982 to 1990 were reviewed. the 32 male (74.4%) and 11 female (25.6%) patients presented mainly from november to february (65%). the most common clinical features were local pain (37.2%), swelling (34.9%), erythema (18.6%) and ecchymosis (9.3%). the 20 minute whole blood ... | 1999 | 10340833 |