Culture of Vibrio extorquens from severe, chronic skin ulcers in a Puerto Rican woman.

A 48-year-old Puerto Rican woman developed extensive ulcers on her buttocks, right arm, and thighs over a 3 1/2-year period. The lesions began as small, subcutaneous nodules which subsequently ulcerated and expanded up to 19 cm in diameter. Biopsy of both ulcerated and nonulcerated lesions showed acid-fast bacilli.

MLA Exchange and medical libaries in India.

The paper deals with problems in obtaining single issues and complete volumes of medical periodicals through the international exchanges, mainly the Medical Library Association Exchange. It describes in detail how St. John's Medical College, Bangalore, acquires exchange material.