"Enzymatic Amplification of Beta-Globin Genomic Sequences and Restriction Site Analysis for Diagnosis of Sickle Cell Anemia" by Saiki, Scharf, Faloona, et. al.
"Single-sperm typing: Determination of genetic distance between the G _-globin and parathyroid hormone loci by using the polymerase chain reaction and allele-specific oligomers" by Cui, Li, Goradia, et. al.
"Direct electrophoretic detection of the allelic state of single DNA molecules in human sperm by using the polymerase chain reaction" by Li, Cui and Arnheim