Ross Laboratories. Dept. of Nursing Services. (1970). The mammary glands and breast feeding.
Chicago-viite (17. p.)Ross Laboratories. Dept. of Nursing Services. The Mammary Glands and Breast Feeding. [Columbus, 1970.
MLA-viite (8. p.)Ross Laboratories. Dept. of Nursing Services. The Mammary Glands and Breast Feeding. 1970.
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