Craniofacial structures in connective tissue disorders : proceedings of the Tenth Annual Symposium of the The Society of Craniofacial Genetics, a symposium in recognition of Dr. David Bixler held in Baltimore, July 10, 1988 - Paul, Natalie W.; Paul, Natalie W.; Frías, Jaime; Frías, Jaime (Birth defects original article series, 1990)