共 7 条
[1]
HARPER PS, 1987, CHORIONIC VILLUS SAM, P343
[2]
HEUCH I, 1972, CLIN GENET, V3, P501, DOI 10.1111/j.1399-0004.1972.tb01488.x
[3]
NORMAN A, IN PRESS CLIN GENET
[7]
SMITH RA, IN PRESS ARCH DIS CH