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Zain และผู้แต่งคนอื่นๆ. 1994. Fast breathing as indicator of pneumonia in children under five years old. Graduate School, Chulalongkorn University;
Zain และผู้แต่งคนอื่นๆ. (1994) Fast breathing as indicator of pneumonia in children under five years old . Chulalongkorn University/Bangkok.
Zain และผู้แต่งคนอื่นๆ. Fast breathing as indicator of pneumonia in children under five years old. . Bangkok:Chulalongkorn University, 1994.
Zain และผู้แต่งคนอื่นๆ. (1994) Fast breathing as indicator of pneumonia in children under five years old . Chulalongkorn University/Bangkok.