Patrick A D, Young E P, Mossman J, Warren R, Kearney L, Rodeck C H
Prenat Diagn. 1987 Feb;7(2):71-4. doi: 10.1002/pd.1970070202.
Cystinosis was diagnosed in the first trimester of pregnancy by studies of uptake and retention of [35S]-cystine by intact biopsy samples of chorionic villi. The diagnosis was confirmed by similar studies on cell cultures of villi and fetal skin fibroblasts.