Urban-rural smoking patterns in grade 7 children: the implications for health education.
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Adolescent↗
Biomedical subjects
R Ellis
Publications and source records attributed to R Ellis.
Antimicrobial therapy: toward the future.
The relatively unsophisticated approaches at the beginnings of antimicrobial therapy development, although important at the time, have been replaced by ever more complex and ingenious methods as the medical profession and the pharmaceutical industries face up to the realities of the emerging problems of antimicrobial resistance.
Anti-Bacterial Agents↗