title: Recurrent pneumothorax: the unexpected encounters.
authors.affiliation: Department of Cardiothoracic Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China.
authors.forename: Calvin S H
authors.initials: CS
authors.lastname: Ng
authors.affiliation: Department of Cardiothoracic Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China.
authors.forename: Randolph H L
authors.initials: RH
authors.lastname: Wong
authors.affiliation: Department of Cardiothoracic Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China.
authors.forename: Rainbow W H
authors.initials: RW
authors.lastname: Lau
authors.affiliation: Department of Cardiothoracic Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China.
authors.forename: Micky W T
authors.initials: MW
authors.lastname: Kwok