1. Evolution of Genetic Counseling in America;PORTER,1977
2. International Directory of Genetic Services (1983) National Foundation March of Dimes, New York
3. Counseling in Medical Genetics;REED,1955
4. Attitudes of genetic counsellors: a multinational study;WERTZ;Am. J. Hum. Gen.,1988
5. Dealing with Dilemma. A Manual for Genetic Counselors;KELLY,1977