[Etiology of acute diarrheal diseases]. / Etiología de las enfermedades diarréicas agudas.

The microbiologic, clinical and epidemiologic aspects of the main biologic agents producing acute diarrheic diseases are reviewed. Some considerations related to the origin of these affections are presented.

[Isolation of Haemophilus vaginalis in patients with leukorrhea]. / Aislamiento de Haemophilus vaginalis en pacientes con leucorrea.

Strains of Haemophilus vaginalis were isolated from patients with leukorrhea. The characteristics of the microorganism that permit its laboratory diagnosis and results of the antibiotic-sensibility tests are described.

[280 patients with urethritis]. / Estudio de 280 pacientes con uretritis.

A study of 280 male patients with urethritis is presented. The frequency of infections caused by Neisseria gonorrhoeae, Trichomonas vaginalis, Candida albicans and Mycoplasma "T" is reported. Some clinical characteristics of patients regarding the type of urethritis are described. Literature on non-gonoccal urethritis is reviewed.