[Discovering hookworms by gastroscopy from duodenal bulb in 4 cases].
Xiong
Qi-xian
QX
D004378:Duodenal Diseases / Q000175:diagnosis* / Q000469:parasitology; D005260:Female; D005773:Gastroscopy; D006725:Hookworm Infections / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged