Kelly, William J.
A cost-effectiveness study of clinical methods of birth control : with special refernce to Puerto Rico / William J. Kelly - New York : Prager , 1971 - xii, 121p.: ills.; 23 cm. - Praeger special studies in international economics and devleopment .
Includes index.
Family planning
312.02 / PR KEL
A cost-effectiveness study of clinical methods of birth control : with special refernce to Puerto Rico / William J. Kelly - New York : Prager , 1971 - xii, 121p.: ills.; 23 cm. - Praeger special studies in international economics and devleopment .
Includes index.
Family planning
312.02 / PR KEL