40. C. Friend 



41. S. Gartler 



42. G. Gaull 



43. P. Gerald 



44. J. German 



45. M. Gertner 



46. F. Giannelli 



47. F. Gilbert 



48. M. Golbus 



49. H. Goldman 



50. J. Goldstein 



Cntr. for Experimental Cell Biology, Mt . 



Sinai Sch. of Med., The City Univ. of N.Y., 



Fifth Ave. and 100th St., New York, N.Y. 



10029 



Dept. of Med. and Genetics, Sch. of Med., 



Univ. of Washington, Seattle, Wash. 98195 



Inst, for Basic Res. in Mental Retard., 1050 



Forest Hill Rd. , Staten Island, N.Y. 10314 



Children's Hosp. Med. Cntr., 300 Longwood 



Ave., Boston, Mass. 02115 



N. Y. Blood Cntr., 310 East 67th St., New 



York, N.Y. 10021 



Dept. of Ped., Mt . Sinai Sch. of Med., 5th 



Ave. and 100th St., New York, N.Y. 10029 



Paediatric Res. Unit., Guy's Hosp. Med. Sch., 



Cameron House, London, SEI 9RT, England 



Dept. of Human Genet., Med. School, Univ. of 



Pa., Philadelphia, Pa. 19174 



Dept. of Obstetrics and Gynecology, Univ. of 



Calif. Sch. of Med., San Francisco, Calif. 



94143 



McGill Univ., Montreal Children's Hosp. 



Res. Inst., 2300 Tupper St., Montreal, 108 



Quebec, Canada 



Div. of Med. Genetics, Dept. of Internal Med., 



Southwest Texas Med. Sch., 5323 Harry Hines 



Blvd., Dallas, Texas 75235 



137 



