TY  - GEN
AU  - Nyazema,N Z
TI  - Primary health care and the essential drug list concept
SN  - 0008-9176
PY  - 1987///1113
KW  - Developing Countries
KW  - Humans
KW  - Pharmaceutical Preparations
KW  - Primary Health Care
KW  - methods
N1  - Publication Type: Letter
ER  -