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Citation: E. Hak et al., EFFECTIVENESS OF PNEUMOCOCCAL VACCINE, Lancet, 351(9111), 1998, pp. 1283-1283

Authors: VERHEIJ TJM HERMANS J MULDER JD

Citation: Tjm. Verheij et al., EFFECTS OF DOXYCYCLINE IN PATIENTS WITH ACUTE COUGH AND PURULENT SPUTUM - A DOUBLE-BLIND PLACEBO-CONTROLLED TRIAL, British journal of general practice, 44(386), 1994, pp. 400-404