PMID: 10376575
Mak V, Zielenski J, Tsui LC, Durie P, Zini A, Martin S, Longley TB, Jarvi KAProportion of cystic fibrosis gene mutations not detected by routine testing in men with obstructive azoospermia.
JAMA. 1999 Jun 16;281(23):2217-24., 1999-06-16 [PubMed]