1.
 |  | Title: Research Perspectives in Cytogenetics: Proceedings of the Conference, Research Perspectives in Cytogenetics, Held at the University of California, L (Nichd-Mental Retardation Research Centers Series) by Robert S. and De LA Cruz, Felix F. Sparkes, Felix F. De LA Cruz, National Institute of Child Health and Human Development (U.S.), Los Angeles Mental Retardation Research Cent University of California ISBN: 0839118341 Publisher: Univ Park Pr Pub. Date: December, 1983 List Price: $36.00 Amazon.com Price: $36.00 |
2.
 |  | Title: Somatic Cell Hybridization by Richar L. Davidson, Felix F. De LA Cruz ISBN: 0911216758 Publisher: Raven Press Pub. Date: June, 1974 List Price: $52.00 Amazon.com Price: $52.00 |
3.
 |  | Title: Human Sexuality and the Mentally Retarded by Felix F. de la Cruz, Gerald D. LaVeck ISBN: 0140218424 Publisher: Viking Press Pub. Date: May, 1974 List Price: $2.95 Amazon.com Price: $2.95 |
4.
 |  | Title: Genetic Disorders and Pregnancy Outcome by Lawrence D. Platt, Richard Koch, Felix De LA Cruz, Felix F. De LA Cruz ISBN: 1850707219 Publisher: CRC Press-Parthenon Publishers Pub. Date: 15 April, 1997 List Price: $109.95 Amazon.com Price: $109.95 |
5.
 |  | Title: Trisomy 21 Down's Syndrome: Research Perspectives by Felix F. de la Cruz, Park S. Gerald ISBN: 0839115881 Publisher: Univ Park Pr Pub. Date: 01 January, 1981 List Price: $29.70 Amazon.com Price: $29.70 |