| three years' experience of sexually transmitted diseases in seville, spain. | at present there are no reliable statistics on the relative prevalences of sexually transmitted diseases (stds) in spain. in a report of the first three years' experience in an std diagnostic centre between 1977 and 1979 a total of 879 patients (534 men adn 345 women) were seen. they mainly consisted of university students and the mean age was 22 years in 1977 and 23 years in the following two years. all the patients were examined for syphilis and all women for gonorrhoea and trichomoniasis. inv ... | 1981 | 6894560 |