Lessons and implications from a mass immunization campaign in squatter settlements of Karachi, Pakistan: an experience from a cluster-randomized double-blinded vaccine trial [NCT00125047]
Acosta, Khan Mohammad, Ochiai Rion, Hamza Hasan, Sahito Shah, Habib Muhammad, Soofi Sajid, Bhutto Naveed, Rasool Shahid, Puri, Ali Mohammad, Wasan Shafi, Abu-Elyazeed Remon, Ivanoff Bernard, Galindo, Pang Tikki, Donner Allan, Von, Clemens, Nizami Shaikh, Bhutta