Comparison of acellular pertussis vaccine with whole cell vaccine as a booster in children 15 to 18 months and 4 to 6 years of age. [electronic resource]
Producer: 19930304Description: 131-5 p. digitalISSN:- 0891-3668
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Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
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