Recurrent pneumonia with mild hypogammaglobulinemia diagnosed as X-linked agammaglobulinemia in adults
Kazuhiro Usui, Yoji Sasahara, Ryushi Tazawa, Koichi Hagiwara, Satoshi Tsukada, Toshio Miyawaki, Shigeru Tsuchiya, and Toshihiro Nukiwa
Respir Res. 2001; 2(3): 188–192. Published online 2001 April 12. doi: 10.1186/rr56.PMCID: PMC2092384